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 boy filled the bucket with sand because he was so angry
[A]: not plausible


[Q]: my stomach hurt because it was so sad
[A]: not plausible


[Q]: the man closed the book because he was exhausted
[A]:
plausible