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 lock opened.
I turned the key in the lock.

Answer: cause


Question: The building was dedicated to the millionaire.
The millionaire contributed the funds to build it.

Answer: cause


Question: The benefactor requested to stay anonymous.
He wanted to maintain his privacy.

Answer:
cause