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 tenant misplaced his keys to his apartment, so he couldn't call for help

Output: plausible


Input: Consider Input: We found empty seats in the theatre, so the film began

Output: plausible


Input: Consider Input: The man threw his empty can onto the street, so he just let it go


Output: plausible