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 teacher caught the student chewing gum, so there was no harm done
not plausible

We found empty seats in the theatre, so it worked out pretty well
plausible

The archeologist dug up the site, so I knew I was in the right place

plausible