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's eye became infected, so causing him to lose his vision
Example Output: plausible

Example Input: The grape juice fermented, so the juice turned to wine
Example Output: plausible

Example Input: My foot went numb, so I had to wear it
Example Output:
not plausible