Teacher: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.
Teacher: Now, understand the problem? Solve this instance: 电脑屏幕上的光标移动了。
用户移动了鼠标。
Student:
cause