Anchor: The problem is that I don't want any neighbors having a key to my apartment.
Entailed: I don't want my neighbors to have access to my apartment.
Contradiction: I don't mind opening my door to my neighbors.
Contradiction: I want my neighbors to be able to get into my apartment.
Contradiction: I want all my neighbors to have a key into my apartment.
Contradiction: A man is building a ship in a bottle.
Contradiction: I don't know what he thought.