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 seamstress pushed the threaded needle into the fabric, so there was no need for glue

SOLUTION: plausible

PROBLEM: A man cut in front of me in the long line, so I knew I was in the clear

SOLUTION: not plausible

PROBLEM: The man's eye became infected, so he gave up on it

SOLUTION:
not plausible