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.

Example Input: The man lost his balance on the stool.
(1)The stool wobbled underneath him.(2)He spilled paint on the stool.
Example Output: 1

Example Input: Air pollution in the city worsened.
(1)Factories increased their production.(2)Factories shut down.
Example Output: 1

Example Input: I doubted the salesman's pitch.
(1)I turned his offer down.(2)He persuaded me to buy the product.
Example Output:
1