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 terrorist set off the bomb.
(1)The bomb exploded.(2)The bomb was deactivated.
[A]: 1

[Q]: The man caught his reflection.
(1)He stood under the sprawling tree.(2)He stood over the calm lake.
[A]: 2

[Q]: My friend paid for my ticket.
(1)I sought a refund.(2)I paid her back.
[A]:
2