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]: The boy's back ached.
His backpack was heavy.
[A]: cause


[Q]: I left the fruit out on the table.
Flies swarmed the fruit.
[A]: effect


[Q]: The leader received praise.
He fought poverty.
[A]:
cause