Teacher: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.
Teacher: Now, understand the problem? Solve this instance: 乐队演奏了他们的热门歌曲。
(1)观众随着音乐拍手。(2)观众礼貌地沉默着。
Student:
1