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 baby pulled the mother's hair, so the baby burped
not plausible

I was confused by the professor's lecture, so I thought I'd ask here
plausible

The girl came across an unfamiliar word in her textbook, so she looked the term up in the dictionary

plausible