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: The man contemplated the painting, so there was no doubt about it

SOLUTION: not plausible

PROBLEM: I received a package in the mail, so it was a pretty good deal

SOLUTION: plausible

PROBLEM: I rubbed the soap between my hands, so I would not scratch my skin

SOLUTION:
not plausible