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 clock stopped ticking, so we had to act fast
plausible

The teacher took roll, so it didn't bother me at all
not plausible

I finished a page of the book, so let me know what you think

plausible