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: The teacher took roll, so I got to go with her
Example Output: not plausible

Example Input: The mirror in the bathroom fogged up, so I knew I was in the clear
Example Output: not plausible

Example Input: I saw a woman getting robbed on the street, so I thought I would give it a try
Example Output:
not plausible