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".

I was confused by the professor's lecture, so i decided to check it out
plausible

The man became disabled, so there was no contact with him
not plausible

The woman sensed a pleasant smell, so she assumed it was the same

plausible