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.

Input: Consider Input: An unfamiliar car parked outside my house.
(1)I became suspicious.(2)I called the police.

Output: 1

Input: Consider Input: The tree branch landed in the river.
(1)The branch moved downstream.(2)The river's current became stronger.

Output: 1

Input: Consider Input: The woman presented her brother with a gift.
(1)Her brother refused to accept the gift.(2)Her brother unwrapped the gift.
Output: 2