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 teacher tore up the student's exam.
(1)He caught the student cheating.(2)The student's answers were incorrect.

SOLUTION: 1

PROBLEM: I rubbed the soap between my hands.
(1)The soap foamed.(2)My hands went numb.

SOLUTION: 1

PROBLEM: The girl bit her nails.
(1)She was worried.(2)She was surprised.

SOLUTION:
1