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]: 这位男子的口袋在走动时叮当作响。
他的口袋里装满了硬币。
[EX A]: cause

[EX Q]: 我谢绝了生日聚会的邀请。
我不在城里。
[EX A]: cause

[EX Q]: 我赤脚走在沙滩上。
沙刺到我的脚。
[EX A]:
effect