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 caught the student chewing gum, so the student spit out the gum
Example Output: plausible

Example Input: The parents recognized their daughter's creativity, so they started their own production
Example Output: plausible

Example Input: I rubbed sandpaper on the wood, so it shouldn't be a problem
Example Output:
plausible