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: I clumsily bumped into the stranger, so causing him to fall to the ground
Example Output: plausible

Example Input: The teacher took roll, so I got to go with her
Example Output: not plausible

Example Input: Several witnesses of the crime testified against the suspect, so no charges were filed
Example Output:
not plausible