In this task, you will be given two sentences separated by "because". You should decide whether the first sentence can be the result of the second sentence. If you can see a possible cause and effect relationship, answer with "plausible", otherwise answer with "not plausible".

Ex Input:
the man closed the umbrella because he was about to leave

Ex Output:
not plausible


Ex Input:
the child became immune to the disease because she didn't know what to do with it

Ex Output:
not plausible


Ex Input:
I wrote a thank-you note to my grandmother because she was a very helpful person

Ex Output:

plausible