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]: My foot went numb, so I had to come back to the doctor
[A]: plausible


[Q]: The man begged for forgiveness, so he wouldn't have to feel guilty about it
[A]: plausible


[Q]: The girl came across an unfamiliar word in her textbook, so we chatted for a bit
[A]:
not plausible