instruction:
In this task your given two statements in Chinese. 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:
我昨天在健身房锻炼。
我今天醒来时肌肉酸痛。
answer:
effect


question:
那只鸟拍打着翅膀。
它向上上升。
answer:
effect


question:
我在壁炉里生了火。
房子里很冷。
answer:

cause