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".

Q: the window was opaque because it was perfect

A: not plausible
****
Q: the woman received a diploma because she knew she had to

A: not plausible
****
Q: the stain came out of the shirt because it was sealed

A:
not plausible
****