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: The girl was angry with her friend, so she decided to go home

Answer: plausible


Question: The woman sensed a pleasant smell, so she didn't worry about it

Answer: plausible


Question: I was confused by the professor's lecture, so I gave it to him

Answer:
not plausible