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 I didn't have to worry about that

SOLUTION: plausible

PROBLEM: The surfer caught the wave, so we knew we were on the right track

SOLUTION: not plausible

PROBLEM: The product was heavily advertised, so everyone had to buy it

SOLUTION:
plausible