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.

[Q]: The driver took a detour.
(1)An accident occurred on the main road.(2)She followed the truck in front of her.
[A]: 1

[Q]: The son moved away from home.
(1)He was discharged from the military.(2)He was going to college.
[A]: 2

[Q]: The tire on my bike was flat.
(1)I pumped air into the tire.(2)I switched gears on the bike.
[A]:
1