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 surfer caught the wave, so it wasn't a problem at all
Example Output: not plausible

Example Input: The woman's ring slipped off in the shower, so she couldn't see the shower
Example Output: not plausible

Example Input: The man threw his empty can onto the street, so he didn't have to walk
Example Output:
plausible