Definition: 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.
Input: Question: What is the difference between the amount of gills the species known to prey on the crossback stingaree have compared to most shark species? Passage 1:In April 1980, Hall returned to the US and from 1 to 24 May she appeared in the cast of Black Broadway (a retrospective musical revue) at the Town Hall in New York. Among other artists appearingd in the show were Elisabeth Welch, Gregory Hines, Bobby Short, Honi Coles, Edith Wilson, Nell Carter and John W. Bubbles of Buck and Bubbles fame. The show had originally been staged at the Newport Jazz Festival on 24 June 1979, before it was re-assembled in 1980 and staged at the Town Hall. Following Black Broadway, in June 1980, Hall took up temporary residence at Michael's Pub in New York and commenced a three-week engagement, performing three shows a night. Also in June 1980, she performed at the Playboy Jazz Festival held at the Hollywood Bowl in Los Angeles. Other artists on the bill included Dizzy Gillespie, Herbie Hancock, Stéphane Grappelli, Mel Tormé, Zoot Sims, Carmen McRae and Chick Corea. On 2 July 1980, writer Rosetta Reitz organised a tribute to the Women of Jazz at Avery Fisher Hall as part of the Newport Jazz Festival. Called The Blues is a Woman, the program, narrated by Carmen McRae, featured music by Adelaide Hall, Big Mama Thornton, Nell Carter and Koko Taylor. Back in the States, in February 1983, Hall appeared on the bill of the 100th birthday celebration for composer Eubie Blake held at the Shubert Theater, New York. Unfortunately, Blake was recovering from pneumonia at the time so could not attend the event but with the aid of a special telephone hook-up to his home in Brooklyn he was able to listen to the entire two-hour show. On 5 April 1983, Hall commenced a month-long engagement at the Cookery in New York. Her accompanists were Ronnie Whyte and Frank Tate.
 Passage 2:Kerri Mason of Billboard called the song a harmonious ballad which, along with the single "4 Minutes", "might be some of her best work yet". She also said that the song sounded familiar and compared it with Timbaland's remix of the 2008 single "Apologize". Caryn Ganz from Rolling Stone believed the song has a "melancholy pining". Stephen Thomas Erlewine from Allmusic held the view that "the icy heartbreak of 'Miles Away'" was "a worthy successor of Justin Timberlake's 2006 single 'What Goes Around.../...Comes Around'". Sal Cinquemani of Slant Magazine said that the song has the typical ensuring quality of the production of Timbaland and Justin Timberlake, and bears the "pair's distinct, modern stamp, making Hard Candy more than just a throwback to Donna Summer, Anita Ward, and Quaaludes." Chris William from Entertainment Weekly made the observation that "Miles Away" was one of the "few actual confessions on this dance floor [Hard Candy]—enough to give the tabs speculative fodder." He also compared the song to "What Goes Around.../...Comes Around". Jim Farber of the New York Daily News called it the album's most beguiling tune.
 Passage 3:The broadnose sevengill shark (Notorynchus cepedianus) is known to prey on the crossback stingaree. When threatened, this ray raises its tail warningly above its body in a scorpion-like fashion. Parasites documented from this species include a tapeworm in the genus Acanthobothrium, and the monogenean Calicotyle urolophi. Like other stingrays, the crossback stingaree is aplacental viviparous: when the developing embryos exhaust their supply of yolk, their mother provisions them with nutrient-rich histotroph ("uterine milk") through specialized extensions of the uterine epithelium called "trophonemata". Females produce litters of 1–4 pups every other year. Embryonic development proceeds rapidly over a six-month period, though the total gestation period may be much longer if there is a period of dormancy for the eggs after fertilization, as has been reported in other stingarees. Off Tasmania, large estuaries such as at the mouth of the River Derwent serve as nursery areas.

Output:
3