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 took roll, so I didn't get to talk to him
plausible

I scratched my skin, so I'm not even going to try
not plausible

The man contemplated the painting, so he opened it up again

not plausible