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: 木地板被划伤。
男孩把椅子拖过地板。

SOLUTION: cause

PROBLEM: 飞行员的雷达发现了一场风暴。
飞行员避开了风暴。

SOLUTION: effect

PROBLEM: 旅行者走在摇摇欲坠的吊桥上。
他感到害怕。

SOLUTION:
effect