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".

[Q]: The tenant misplaced his keys to his apartment, so he couldn't call for help
[A]: plausible


[Q]: The teacher caught the student chewing gum, so the student spit out the gum
[A]: plausible


[Q]: The flashlight was dead, so I didn't take any pictures
[A]:
plausible