TASK DEFINITION: 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.
PROBLEM: 我不信任这位推销员的推销。
我拒绝了他的提议。

SOLUTION: effect

PROBLEM: 那人对他的朋友很恼火。
他的朋友打断了他。

SOLUTION: cause

PROBLEM: 那人弄脏了他的西装。
他干洗了。

SOLUTION:
effect