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: 证人在宣誓后撒谎。
(1)他完成了他的证词。(2)他被指控作伪证。

A: 2
****
Q: 男人和女人坠入爱河。
(1)他们上了大学。(2)他们结婚了。

A: 2
****
Q: 我想节约能源。
(1)我在空着的房间里扫了地板。(2)我把空房间里的灯关了。

A:
2
****