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.

The nation endured a natural disaster.
(1)Leaders of other countries formed an alliance.(2)Leaders of other countries sent emergency relief.
2

I entered my combination on the lock.
(1)I shut the lock.(2)The lock popped open.
2

I turned on the fan.
(1)Water sprinkled onto my skin.(2)I felt cool air pass over me.

2