Select a pair of sentences that relate logically to the given statement. Either the train is late, or it has derailed.
A. The train is late.
B. The train is not late.
C. The train is derailed.
D. The train is not derailed.
If the train is derailed, it is late but if the train is late that does not mean that the train is derailed. The train can be late due to several other factors of which derailing is only one of the factors. If the train is not late , this means that the train has not derailed.
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