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".

Example Input: I was confused by the professor's lecture, so I took a deep breath
Example Output: plausible

Example Input: The flashlight was dead, so I couldn't see what was going on
Example Output: plausible

Example Input: We found empty seats in the theatre, so all we had to do was sit on the balcony
Example Output:
plausible