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".
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Question: The tenant misplaced his keys to his apartment, so he left the door open

Answer: plausible


Question: The police officer dropped the gun, so he couldn't do anything about it

Answer: not plausible


Question: The toddler became cranky, so I had to go home

Answer:
plausible