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.

Ex Input:
I left work early.
(1)I had a headache.(2)My boss held a meeting.

Ex Output:
1

Ex Input:
I ironed my shirt.
(1)It was clean.(2)It was wrinkled.

Ex Output:
2

Ex Input:
My flight got delayed.
(1)Tornadoes were sighted in the area.(2)I was held up at airport security.

Ex Output:
1