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:
I pushed the pendulum.
It swung back and forth.
answer:
effect


question:
The motorcyclist twisted the throttle.
The motorcycle shot forward.
answer:

effect