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 boy giggled uncontrollably.
His brother tickled him.

Output: cause


Input: Consider Input: The woman betrayed her friend.
Her friend cut off contact with her.

Output: effect


Input: Consider Input: The tree branch landed in the river.
The branch moved downstream.


Output: effect