In this task, you will be given two sentences separated by ", so". You should decide whether the first sentence can be the cause of the second sentence. If you can see a possible causation, answer with "plausible", otherwise answer with "not plausible".
--------
Question: It got dark outside, so we had to go downstairs

Answer: plausible


Question: A burglar broke into the house, so we didn't have to worry about it

Answer: not plausible


Question: The bodybuilder lifted weights, so as not to lose muscle

Answer:
plausible