instruction:
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 boaters set off a flare, so caused the boat to sink
answer:
not plausible


question:
The man's eye became infected, so he went to the hospital
answer:
plausible


question:
The pond froze over for the winter, so I'm not sure if I'll be able to get to the bottom of the pond
answer:

plausible