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 got up and went inside

SOLUTION: plausible

PROBLEM: I came upon a puddle on the sidewalk, so I went downstairs to check

SOLUTION: not plausible

PROBLEM: I was confused by the professor's lecture, so I asked her to repeat it

SOLUTION:
plausible