Question

why black beauty started feeling uncomfortable
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Answer 1

Answer:

I cannot say how long I had slept, nor what time in the night it was, but I woke up very uncomfortable, though I hardly knew why. I got up; the air seemed all thick and choking. I heard Ginger coughing and one of the other horses seemed very restless; it was quite dark, and I could see nothing, but the stable seemed full of smoke, and I hardly knew how to breathe.