Anchor: An elderly nun handles knit items.
Entailed: An old woman picking something.
Contradiction: The nun is handling the situation of being a nun.
Contradiction: Elephants are never used to locate tigers - instead, people use helicopters to find them.
Contradiction: a group of people standing at the gate of a building
Contradiction: A corrosive environment is not caused by limestone.
Contradiction: A girl works outside.