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 grape juice fermented, so I decided not to drink it
answer:
plausible


question:
The man contemplated the painting, so there was no doubt about it
answer:

not plausible