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 had no choice but to leave

SOLUTION: not plausible

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

SOLUTION: plausible

PROBLEM: The elderly woman suffered a stroke, so causing her to lose consciousness

SOLUTION:
plausible