Given a premise and two alternatives, choose the alternative that is a more plausible cause or effect of the situation described by the premise. The input format is "premise
(1)alternative_1(2)alternative_2", the output should either be "1" or "2" based on your judgment.

Input: Consider Input: The student tried to do the math in his head.
(1)He got out a calculator.(2)He got confused.

Output: 2


Input: Consider Input: The wind blew through the open window.
(1)The doorbell rang.(2)The curtains shuddered.

Output: 2


Input: Consider Input: The man grew old.
(1)His hair turned gray.(2)He sold his belongings.


Output: 1