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.

女孩发现她的哥哥在读她的日记。
她开始把日记藏起来。
effect

汽车汽油用完了。
司机被困在路上。
effect

那个有钱人因年老而死。
他的儿子继承了他的财产。

effect