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 man looked at his watch, so he realized he forgot something
Example Output: not plausible

Example Input: I saw a woman getting robbed on the street, so I decided to check it out
Example Output: plausible

Example Input: I rubbed the soap between my hands, so I didn't have to lick it
Example Output:
not plausible