Anchor:  The iron lung was back the next time he came to, and he was being tugged toward it.
Entailed: He was being tugged toward the iron lung.
Contradiction: The iron lung repelled him. 
Contradiction: Where is the water you took?
Contradiction: The building's sign is upside down.
Contradiction: The table only shows delivery by route in the US.
Contradiction: There are some dogs.