Detailed Instructions: In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.
Problem:Question: What artist wrote the song that Vallee begins to sing after Betty wishes her good night? Passage 1:The film begins at Betty Boop's house, as she throws a house party. She is seen in a room serving a drink to the other animals. Due to the drink, an argument breaks out between two animals, whom ultimately agree at the end to toss a coin. However, when one of the animals flips a coin, it comically ends up sideways. So one of the animals flips again, but flips it so high that a bird comically catches it and takes it. After that, Betty then asks for anyone that can sing and dance. A rabbit then comes forward and says that he can play the piano. So, Betty asks Hanson to bring in the piano. However Hanson is a small bug, so comically has to tug at it to get it in the room, whilst a big hippo comically only carries a stool. Betty then hands the rabbit some sheet music, but the rabbit says that he only plays "by ear". However, when he starts to play, he comically uses his ears to play the piano. Betty then requests for a singer whilst she plays. All of the animals decline her request. Until a picture of Rudy Vallee from a book of sheet music comes to life and says he will sing. Betty then asks Vallee is the songs will be old or new, Vallee then says that he'll sing songs that they will all know; and he'll sing them with the bouncing ball. His first song that he sings is "Deep Night", with footage of beaches and rainforests accompanying the song . The second song that he sings is "A Little Kiss Every Morning", with footage of a painting firstly showcasing multiple species of birds kissing, then transitioning to babies and their mothers, then to young couples, and then to elderly couples. The final song that Vallee sings is "Stein Song", a college song, with accompanying footage showcasing a noisy game of American football. After the three songs, the party concludes, and all the guests depart from Betty's house. Betty then wishes Vallee good night. Vallee, who is in a picture frame, begins to sing "Good Night Sweetheart". After that performance, Betty then laughs and wishes him a good night. The film ends with Vallee singing "Keep a Little Song Handy".
 Passage 2:Kalmi Baruh was born in December 1896 in Sarajevo, in one of the oldest Sephardic families in Bosnia and Herzegovina. He attended elementary school in the town of Višegrad (Вишеград), and has graduated from high-school in Sarajevo. Baruh's academic studies and the PhD - Der Lautstand des Judenspanischen in Bosnien (The Sound System of the Judeo-Spanish in Bosnia) were at Vienna University. He worked as a teacher in the First Sarajevan Gymnasium/High-school, and was the only Balkan Peninsula scholarship recipient from the Spanish Government for the post-doctoral studies in the Spanish Center for Historic Studies in Madrid (1928/9). For a long period of years he worked together with several Yugoslav and European magazines in the field of linguistics and literature, such as: Srpski književni glasnik and Misao, both from Belgrade, Revista de filología Española (Madrid)... He collaborated with the Institute for Balkan Studies and the University of Belgrade and the Royal Spanish Academy. He translated from Spanish to Serbian (Enrique Larreta: Slava don Ramira, Jedan život u doba Filipa II, Narodna prosveta, Belgrade, 1933; Jose Eustasio Rivera: Vrtlog, Minerva, Subotica-Belgrade, 1953 ...). Baruh presented some of the less known modern Spanish literature in Yugoslavia and provided reviews for it. He also published linguistic comparative studies, school books and scientific works on philology reviews, especially in Romanic languages. He collected, annotated and explored Judeo-Spanish linguistic forms and romances throughout Bosnia, Priština (Приштина) and Skopje (Скопје). Baruh was one of the pillars of the Sarajevan progressive magazine Pregled, and competent basis for the congregational magazines Jevrejski život and Jevrejski glas, as well as for the cultural-educational society La Benevolencija. He cooperated with Prof. Ernesto Giménez Caballero, Dr. Ivo Andrić, Isidora Sekulić, Žak Konfino, Stanislav Vinaver, Dr. Jovan Kršić, Dr. Moric Levi, Laura Papo Bohoreta... .
 Passage 3:He served as demonstrator in Botany Department of Institute of Medicine 1 from 1980 to 1981. He served as Demonstrator and Assistant Lecture in Yangon University from 1 January 1982 to 31 December 1992, served as Assistant Lecture and Lecture in Mawlamyine University from 7 January 1993 to 31 May 2000. He moved to Botany Department of Taungoo University as Associate Professor from 1 June 2000 to 11 December 2001. He became Professor and Head of Department of Botany in Mandalay University from 12 December 2001 to 21 November 2005. Meanwhile, he served as Visiting Professor from 17 January to 14 March 2004. He was promoted as Vice Rector of new Yadanabon University in 21 November 2005 until 31 March 2007. From 1 April 2007 to 26 June 2008, he became Deputy Director General of Department of Higher Education (Upper Myanmar). He served as Rector in Meiktila University from 27 June 2008 to 6 May 2014 and Mandalay University from 6 May 2014 to 31 July 2015. He retired from the education career in 2015 as the Rector of Myanmar's Second Oldest University.

Solution:
1