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 received a package in the mail, so it was a pretty good deal
Example Output: plausible

Example Input: The boy turned the lid on the jar, so he could see her again
Example Output: not plausible

Example Input: The boy murmured his reply to his mother, so he came over to see her
Example Output:
not plausible