In this task your given two statements. 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: The girl shared her lunch with her friend.
Her friend forgot to bring his lunch.

Output: cause


Input: Consider Input: The man quit smoking.
He began exercising more.

Output: effect


Input: Consider Input: Sunlight entered the room.
I opened the curtains.


Output: cause