Anchor: One plus one might not always equal two, but it had to equal something.
Entailed: It might not add up to what you think, but it adds up. 
Contradiction: We know the exact reasoning. 
Contradiction: Someone is eating chips.
Contradiction: Workers are on the roof working.
Contradiction: He came up with the idea and works as the associate editor to run it. 
Contradiction: Two older person , in a white room, play with a marble sculpture.