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".

Input: Consider Input: The skunk sprayed the dog, so it was not a problem

Output: not plausible


Input: Consider Input: It got dark outside, so we got up and went inside

Output: plausible


Input: Consider Input: The man signed the document, so he had to read the book


Output: not plausible