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".

The pond froze over for the winter, so we didn't have too much snow
not plausible

The driver rotated the steering wheel, so there was no need for a new tire
not plausible

The man's eye became infected, so causing him to lose his sight

plausible