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 woman won the lottery, so of course she had to do it
plausible

The man signed the document, so it's not like it's a secret
plausible

The man hated his new haircut, so he had to pick it up

not plausible