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".

Ex Input:
I came upon a puddle on the sidewalk, so I didn't have to get up

Ex Output:
not plausible


Ex Input:
I pushed the pendulum, so it swung back and forth

Ex Output:
plausible


Ex Input:
The book was deemed inappropriate for children, so I didn't bother reading it

Ex Output:

plausible