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".

The cook stirred the ingredients in the bowl, so the sauce would separate
not plausible

It got dark outside, so we had to go downstairs
plausible

The terrorist set off the bomb, so it was bound to happen

plausible