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".

My foot went numb, so I couldn't go to the gym
plausible

The physician misdiagnosed the patient, so he was able to get the surgery done immediately
not plausible

The teacher took roll, so I knew I was on the right track

not plausible