In this task you are given a premise and two alternatives in Chinese. You must choose the alternative that is more plausibly the 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: 那人的头撞了一下。
(1)他陷入了沉思。(2)他得了脑震荡。

A: 2
****
Q: 那人幸免于这种致命的疾病。
(1)他签了个要人。(2)他接受了器官移植。

A: 2
****
Q: 那人看见了他的倒影。
(1)他站在一棵大树下。(2)他站在平静的湖面上。

A:
2
****