Text: At 2,185 m (7,100 ft), it's a bit hard to breathe in the rarefied air, but take in the splendor of the Himalayan mountains mount Kanchenjunga situated in Sikkim , and, if you're lucky on a clear day in April and May or in late September and October, Mount Everest itself, up in Nepal.
Entailment: It is hard to breathe when you are at 7,100 feet high.
Contradiction: It is much easier to breathe at 7,100 feet high than at sea level.