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 baby was wailing in his crib, so he must have been doing something right
Example Output: not plausible

Example Input: The police officer dropped the gun, so the police took him to the police station
Example Output: not plausible

Example Input: The girl was angry with her friend, so I decided to join her
Example Output:
not plausible