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.

朋友们决定分享这个汉堡包。
他们把汉堡包切成两半。
effect

房主要求一个灭害员到他家来。
他在地下室发现了老鼠。
cause

汽车汽油用完了。
司机被困在路上。

effect