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]: 我挤压了这个湿海绵。
水从中渗出。
[EX A]: effect

[EX Q]: 女人拄着拐杖走路。
她摔断了腿。
[EX A]: cause

[EX Q]: 我改变了谈话的话题。
谈话变得紧张起来。
[EX A]:
cause