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 man punctured his foot.
He stepped on broken glass.
[A]: cause


[Q]: The book was deemed inappropriate for children.
Schools banned it from its libraries.
[A]: effect


[Q]: I knocked on my neighbor's door.
My neighbor invited me in.
[A]:
effect