TASK 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.
PROBLEM: The man pressed down on the moist flap of the envelope.
(1)He put a stamp on the envelope.(2)He sealed the envelope shut.

SOLUTION: 2

PROBLEM: I coughed.
(1)I inhaled smoke.(2)I lowered my voice.

SOLUTION: 1

PROBLEM: The criminal turned himself in.
(1)The evidence implicated him.(2) There was no evidence against him.

SOLUTION:
1