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 inside of the train went dark because it was cold

Ex Output:
not plausible


Ex Input:
the window was opaque because it was clogged with air

Ex Output:
not plausible


Ex Input:
the woman hummed to herself because she knew she had to

Ex Output:

not plausible