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 skunk sprayed the dog, so he had to leave it
Example Output: plausible

Example Input: The boy turned the lid on the jar, so he couldn't do anything about it
Example Output: not plausible

Example Input: The girl came across an unfamiliar word in her textbook, so she came up with an idea
Example Output:
plausible