Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: I believe they use a similar form for undergraduates having sex at Cornell. Choices:  1. I think they use a comparable form for any undergrad students having sex at Cornell. 2. They might use a similar form for undergrads having sex at Cornell because the situation's importance and weight doesn't change between colleges. 3. I'm under the belief that they use a very different form for undergraduates having sex at Cornell.

1