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:
The driver turned on the car's headlights.
(1)He heard thunder.(2)The sun went down.

Ex Output:
2


Ex Input:
The boaters set off a flare.
(1)Their boat drifted to shore.(2)Their boat was rescued.

Ex Output:
2


Ex Input:
My friend paid for my ticket.
(1)I sought a refund.(2)I paid her back.

Ex Output:

2