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: I asked my friend for advice.
(1)I valued his opinion.(2)I knew I was right.

Answer: 1


Question: The car gradually slowed to a stop.
(1)It ran out of gas.(2)The driver fell asleep.

Answer: 1


Question: The boy's back ached.
(1)His backpack was open.(2)His backpack was heavy.

Answer:
2