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 didn't help us

SOLUTION: not plausible

PROBLEM: The woman's date wanted to look like a gentleman, so she didn't want to wear anything too fancy

SOLUTION: not plausible

PROBLEM: The grape juice fermented, so results in a high concentration of alcohol in the wine

SOLUTION:
plausible