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 doctor x-rayed the patient's arm, so he knew what to do
[A]: plausible


[Q]: The elderly woman suffered a stroke, so the woman's daughter moved in to take care of her
[A]: plausible


[Q]: The surfer caught the wave, so it was not a problem
[A]:
not plausible