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".
--------
Question: We found empty seats in the theatre, so we sat down

Answer: plausible


Question: The boy murmured his reply to his mother, so he had no choice but to leave

Answer: not plausible


Question: The girl came across an unfamiliar word in her textbook, so she came to check it out

Answer:
not plausible