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.

[EX Q]: I pushed the door.
The door opened.
[EX A]: effect

[EX Q]: The man became annoyed with his friend.
His friend interrupted him.
[EX A]: cause

[EX Q]: The student received detention.
He talked back to the teacher.
[EX A]:
cause