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.

[Q]: 我的朋友朝我的方向转过头。
我喊了他的名字。
[A]: cause


[Q]: 这家人搜查了附近。
他们的狗离家出走了。
[A]: cause


[Q]: 我把石头磨光了。
它变得有光泽。
[A]:
effect