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 is the highest point of the land formation the 90th Infantry Division entered in April of 1945? Passage 1:As a voice actor, Miller has appeared in over 100 animated productions and video games. Some of his credits include work on World of Warcraft, Wonder Woman, , Hellsing, Read or Die and the Nickelodeon produced . His film credits include , the 2008 remake of Day of the Dead and the Sci Fi Channel's Battle Planet. He worked on a cover album from the fighting game series Guilty Gear, titled Guilty Gear XX in N.Y. Vocal Edition, where he supplied vocals over the instrumentals to create a full vocal album. In 2011, he lent his vocals to another cover album, this time for , the successive fighting game series to Guilty Gear, titles BlazBlue in L.A. Vocal Edition. He provided the voice of Robert Kendo in Capcom's video game  for the Wii. In 2011, he appeared in an episode of the web series The Guild. His voice can be heard in the digital collectible card game by Blizzard Entertainment, Hearthstone. Since 2017, he is part of the duo The Deadly Grind. In 2019, Miller provided the vocals for the song "Shadowbringers", the theme song for Final Fantasy XIV's third expansion of the same name.
 Passage 2:After a short rest, the 90th continued across the Moselle River to take Mainz, 22 March, and crossed the rivers Rhine, the Main, and the Werra in rapid succession. Pursuit continued to the Czech border, 18 April 1945, and into the Sudetes mountain range. The division was en route to Prague when they came upon the remaining 1500 emaciated prisoners left behind by the SS at Flossenbürg concentration camp. Today, a memorial wall at the former camp honors the 90th as the liberators of Flossenbürg concentration camp. A week later, word came that the war in Europe ended on 8 May 1945. On that same day, Erich Hartmann, the highest-scoring fighter ace in history, along with a squadron of the elite Jagdgeschwader 52 fighter wing (the highest-scoring fighter wing in history), surrendered to the 90th.
 Passage 3:From Botevgrad to Sofia, E79 joins Hemus motorway, designated A2. At the Bulgarian capital Sofia you have to enter the Ring Road, until Sofia Northern Bypass motorway is built. Signage is available. From Sofia to south there are of motorways (A6 Lyulin motorway and A3 Struma motorway) to Dupnitsa-north interchange. The Bulgarian Traffic law allows speeds up to on motorways unless otherwise stated. The road is leading from Dolna Dikanya to south, right to the Kulata-Promachonas. All the way to the Border Check point the road is of the standard 2-lane tarmac except for the section from the Pernik Province-Blagoevgrad Province border and the southern entrance to the city of Blagoevgrad where the road is of highway type and is long. The section between Dupnitsa and Blagoevgrad, 37 km long, has been upgraded to a motorway standard and opened to traffic 2015. Also the last of these sections - lot 4 from Sandanski-south to the Greek border of 13 km opened to traffic in August 2015. The stretch between Blagoevgrad and Sandanski - lot 3 - passes through the Kresna Gorge and is planned to feature a tunnel, which will be the longest motorway tunnel in Eastern Europe, whose construction will begin in 2015 and will cost app. EUR 650 mln.

Solution:
2