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.

[EX Q]: 那女人避免去湖边。
它看起来被污染了。
[EX A]: cause

[EX Q]: 我在壁炉里生了火。
房子里很冷。
[EX A]: cause

[EX Q]: 我拉了橡皮筋。
它伸展开了。
[EX A]:
effect