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.

[EX Q]: The man's arm muscles bulged.
(1)He flexed his arms.(2)He rubbed his arms.
[EX A]: 1

[EX Q]: The cat chased the bird.
(1)The bird flew away.(2)The bird caught a worm.
[EX A]: 1

[EX Q]: The spy discovered the enemy's location.
(1)The spy bugged the enemy's phone.(2)The spy was hired by the government.
[EX A]:
1