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.

Input: Consider Input: 这男人变老了。
他的头发变灰了。

Output: effect


Input: Consider Input: 这个生病的孩子对者他的朋友咳嗽。
他的朋友病了。

Output: effect


Input: Consider Input: 一股冷风从窗户进来。
我颤抖。


Output: effect