Anchor: Ca'daan returned later that eve.
Entailed: Later that eve, Ca'daan returned.
Contradiction: Ca'daan never returned.
Contradiction: I will not ask you if I should invite him.  
Contradiction: A man and woman are walking on a sandy road.
Contradiction: An angry man slammed the axe into the firewood
Contradiction: A man and a woman are both wearing glasses.