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.
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Question: The man punctured his foot.
He stepped on broken glass.

Answer: cause


Question: The man caught his shirtsleeve on the rungs of the fence.
The sleeve ripped.

Answer: effect


Question: The window was opaque.
The glass was stained.

Answer:
cause