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.

Q: I felt exhausted.
I studied all day.

A: cause
****
Q: The teenager grew taller than his father.
He went through a growth spurt.

A: cause
****
Q: The company's profits started to level off.
It increased its marketing efforts for new products.

A:
effect
****