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 forest fire spread.
The winds became stronger.

Output: cause


Input: Consider Input: The pond froze over for the winter.
People skated on the pond.

Output: effect


Input: Consider Input: The puppy stayed near its owner.
The owner kept the puppy on a leash.


Output: cause