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 hated his new haircut, so it had to be washed
Example Output: plausible

Example Input: The book was deemed inappropriate for children, so I had to sign off
Example Output: plausible

Example Input: The nurse prepared the needle for the patient's injection, so there was no problem with the procedure
Example Output:
plausible