Teacher:In this task your given two statements in Vietnamese. 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: Tôi bật quạt.
Không khí mát mẻ lướt qua tôi.
Student:
effect