TASK DEFINITION: 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".
PROBLEM: It got dark outside, so we had to go downstairs

SOLUTION: plausible

PROBLEM: The baby was wailing in his crib, so he got up and opened it

SOLUTION: not plausible

PROBLEM: The elderly woman suffered a stroke, so she did the next best thing

SOLUTION:
not plausible