Anchor: A competing runner strides up a small hill.
Entailed: a runner strides up the small hill
Contradiction: the man is one the sidelines down with an injury
Contradiction: That is the reason why your dentist dismisses night guards and special toothpastes as needless.
Contradiction: There are two humans and three animals.
Contradiction: a man carries bags on his shoulders up a flight of stairs
Contradiction: A man is using an instrument.