In this task your given two statements in Chinese. You must judge whether the second sentence is the cause or effect of the first one. Label the instances as "cause" or "effect" based on your judgment. The sentences are separated by a newline character.
--------
Question: 我对我的朋友的陈述点头。
我同意他。

Answer: cause


Question: 公共发言人开了个玩笑。
观众笑了起来。

Answer: effect


Question: 那女孩把一根树枝扔进篝火里。
树枝烧焦了。

Answer:
effect