Anchor: Naturally, the pigeons hang out in the piazzas all day, cooing and crapping and waiting to be fed.
Entailed: There are pigeons in the piazzas. 
Contradiction: The pigeons at the piazzas are docile and well-behaved, not causing any trouble. 
Contradiction: The man and woman is asleep in bed.
Contradiction: Sir James and Miss Tuppence are in the same flat
Contradiction: A man is wearing bathing trunks and a blue cape.
Contradiction: A person is standing outside.