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: The pond froze over for the winter, so people brought boats to the pond

Answer: not plausible


Question: I scratched my skin, so I had to try something new

Answer: not plausible


Question: It got dark outside, so snowflakes began to fall from the sky

Answer:
not plausible