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 boy murmured his reply to his mother, so he was able to talk

SOLUTION: not plausible

PROBLEM: I scratched my skin, so I thought I'd give this a try

SOLUTION: not plausible

PROBLEM: I tossed the ball upwards, so I don't think that's the problem

SOLUTION:
plausible