Definition: 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: The man felt obligated to attend the event.
(1)He turned down his friend's invitation to go.(2)He promised his friend that he would go.
Output:
2