instruction:
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.
question:
The lock opened.
I turned the key in the lock.
answer:
cause


question:
Civilian deaths from the war surged.
Pacifists staged a protest.
answer:
effect


question:
The security guard tackled the man.
The man displayed a weapon.
answer:

cause