Teacher: In this task your given two statements in Thai. 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? If you are still confused, see the following example:
สิ่งของถูกห่อไว้ในพลาสติก
มันบอบบาง
Solution: cause
Reason: The object being delicate is the cause of wrapping it in bubble wrap.

Now, solve this instance: แคชเชียร์เปิดลิ้นชักเก็บเงิน
ลูกค้ายื่นเงินให้
Student:
cause