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".

Q: The teacher took roll, so she could get a better understanding of what was going on in the classroom

A: plausible
****
Q: The motorcyclist twisted the throttle, so causing a rear-end collision

A: plausible
****
Q: The motorcyclist twisted the throttle, so it didn't last too long

A:
not plausible
****