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 came upon a puddle on the sidewalk, so I got back in the car
Example Output: plausible

Example Input: The authorities vowed to protect the identity of the crime victim, so in order to protect the identity of the victim
Example Output: plausible

Example Input: The teacher took roll, so it was easy to follow
Example Output:
plausible