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: I pushed the pendulum, so I knew it was coming

Output: 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: I scratched my skin, so I knew it was coming


Output: plausible