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 child became immune to the disease.
(1)He avoided exposure to the disease.(2)He received the vaccine for the disease.
[A]: 2


[Q]: I excused myself from the group.
(1)I turned off my phone.(2)My phone rang.
[A]: 2


[Q]: It began to rain.
(1)The driver turned on the headlights.(2)The driver shifted the car into reverse.
[A]:
1