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 authorities vowed to protect the identity of the crime victim, so they decided to leave

Output: not plausible


Input: Consider Input: The doctor x-rayed the patient's arm, so I didn't have to go to the hospital

Output: not plausible


Input: Consider Input: The tenant misplaced his keys to his apartment, so he left the door open


Output: plausible