TASK DEFINITION: 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.
PROBLEM: 收银员拒绝给那女人退款。
她丢了收据。

SOLUTION: cause

PROBLEM: 这个男人嫉妒他的同事。
他的同事得到了晋升。

SOLUTION: cause

PROBLEM: 证人在宣誓后撒谎。
他被指控作伪证。

SOLUTION:
effect