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 child became immune to the disease because the mother's immune system was not strong enough to fight the disease

Ex Output:
not plausible


Ex Input:
the student flaunted his test grade to his classmates because he did not know how to do the homework

Ex Output:
not plausible


Ex Input:
the man urgently leaped out of bed because he was afraid

Ex Output:

plausible