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.

Q: The woman was mistaken for her sister.
(1)The woman was close with her sister.(2)The woman looked like her sister.

A: 2
****
Q: The woman wrote a check to the gas company.
(1)She preferred paying by cash.(2)She received her monthly bill.

A: 2
****
Q: The boy sharpened the pencil.
(1)It was cheap.(2)It was dull.

A:
2
****