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.
Input: Question: Which schools split from the Southern Conference to form the Atlanti Coast Conference in 1953. Passage 1:Roxas' first appearances were cameos in Another Side, Another Story, a bonus trailer found in Kingdom Hearts, and in the ending of . In Kingdom Hearts II, Roxas is introduced as a boy living in a computer simulation of a city called Twilight Town. Unaware of the virtual nature of the city, Roxas begins to dream about the adventures of Sora, the series' protagonist. He later encounters Axel, a member of Organization XIII who is under orders to extract him, and Naminé, a Nobody who tells him he is Sora's other half. Shortly after meeting DiZ, the creator of the virtual world, Roxas learns the true nature of Twilight Town, and that DiZ altered his memory and personality to mislead his pursuers from the Organization until he can merge with Sora. DiZ leads Roxas to an old mansion where he rejoins a sleeping Sora, allowing him to wake up. Sora later learns that Roxas is his Nobody, created during the events of the first game after briefly turning into a Heartless, and inducted into the Organization for his ability to capture hearts with the Keyblade; however, Roxas later betrayed the Organization and encountered one of Sora's friends, Riku, who captured him to restore Sora. Roxas makes two appearances near the end of the game: the first is in a mental battle with Sora depicted as a cut-scene, and the second is with Naminé, who has merged with her other self, Kairi. In the re-released version of the title, Kingdom Hearts II Final Mix, Roxas' fight against Sora is expanded, making him a boss character. The battle was meant to be interactive in Kingdom Hearts II, but time constraints imposed from creating fights for the other Organization XIII members prevented its inclusion. With the opportunity to include the fight, Nomura's team worked hard to make it entertaining for players. Additional scenes about Roxas' past were included in the game to add to the mystery around him.
 Passage 2:Hoadley made his first-class debut for Sussex against Warwickshire in the 1975 County Championship. He made six further first-class appearances for the county, the last of which came against Kent in the 1976 County Championship. In his seven first-class matches, he scored a total of 202 runs at an average of 18.36, with a high score of 58. This score was one of two fifties he made and came against Hampshire in 1975. Hoadley also made three List A appearances for Sussex in the 1975 John Player League against Warwickshire, Nottinghamshire and Kent. He scored just 13 runs at an average of 6.50, with a high score of 8 in these three matches.
 Passage 3:The Terrapins won the 1951 Southern Conference co-championship alongside the Virginia Military Institute. Their perfect season culminated with an upset over first-ranked Tennessee in the . At the time, however, the wire services released their final rankings before the bowl games, and Maryland finished third in the Associated Press Poll. Several selectors, including analyst Jeff Sagarin, have retroactively credited Maryland with the national championship. In 1953, Maryland and six other schools split from the Southern Conference to form the Atlantic Coast Conference. That year, Maryland shut-out two 11th-ranked teams: Mississippi, 38–0, and Alabama, 21–0, won the ACC co-championship alongside Duke, and were named the national champions as the only undefeated and untied team in the nation. The Terrapins were defeated by fourth-ranked Oklahoma in the Orange Bowl. After the 1955 season, Tatum resigned to return to North Carolina, where he soon died of Rocky Mountain spotted fever.

Output:
3