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 man signed the document, so he can't do anything about it
plausible

I pushed the pendulum, so I don't have to worry about that
not plausible

The man hated his new haircut, so it had to be washed

plausible