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.
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Question: The teacher assigned homework to the students.
(1)The students passed notes.(2)The students groaned.

Answer: 2


Question: My knees buckled on the stairs.
(1)I caught myself on the railing.(2)The railing came loose from the wall.

Answer: 1


Question: The wind blew through the open window.
(1)The doorbell rang.(2)The curtains shuddered.

Answer:
2