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

Ex Output:
not plausible


Ex Input:
My foot went numb, so causing me to stumble

Ex Output:
plausible


Ex Input:
The man became disabled, so he couldn't work

Ex Output:

plausible