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".

Input: Consider Input: The teacher caught the student chewing gum, so I knew what I was doing

Output: not plausible


Input: Consider Input: The man looked at his watch, so he didn't get to see him

Output: plausible


Input: Consider Input: The skunk sprayed the dog, so he knew he was safe


Output: not plausible