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".

the security guard tackled the man because he had no one to help him
plausible

the friends' debate dragged on interminably because I sat in their room
not plausible

the window was opaque because it was so simple

not plausible