Anchor: Don't be offended because I think you're young.
Entailed: You're young but I don't think you should be offended.
Contradiction: I was trying to offend you by saying you're old. 
Contradiction: Someone knocking at the front door is a sign that they respect your privacy.
Contradiction: women hold hands and walk in the ocean
Contradiction: Some gymnasts sit on the floor and do nothing.
Contradiction: Two guys decided to go for a swim.