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: 猫追赶那只鸟。
(1)那只鸟飞走了。(2)那只鸟捉到了虫子。

A: 1
****
Q: 这个国家经受了一场自然灾害。
(1)其他国家的领导人结成了联盟。(2)其他国家领导人送去了紧急救援。

A: 2
****
Q: 水手被隔离了。
(1)他接触了这种疾病。(2)他从疾病中康复了。

A:
1
****