Anchor: and dropping children off at the sitter and picking children up from school and
Entailed: The children are dropped off at the sitter only to be picked up from school.
Contradiction: The children are dropped off and they are to be raised by the sitter.
Contradiction: She did not understand what he was saying. 
Contradiction: A man in a store.
Contradiction: A young man tap dances with his friends.
Contradiction: Tuppence inhaled, then entered.