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.

Example Input: Cậu bé nhăn mặt.
Cô bé chọt cậu.
Example Output: cause

Example Input: Đồng hồ reo lên.
Đó là đầu giờ.
Example Output: cause

Example Input: Bồn rửa trong phòng tắm bị tắc.
Tôi đổ nước xả vào đó.
Example Output:
effect