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 woman felt compelled to help someone in need, so she tried not to think about it
Example Output: not plausible

Example Input: The baby pulled the mother's hair, so the mother grimaced
Example Output: plausible

Example Input: The grape juice fermented, so it didn't need as much
Example Output:
not plausible