Anchor: Two kids sitting at a desk while another sits in the windowsill.
Entailed: There are more than two kids.
Contradiction: There is nobody sitting at the desk.
Contradiction: There isn't a choice. They should be put in prison. 
Contradiction: The motorcyclist is wearing a helmet.
Contradiction: She is five and a half years old. 
Contradiction: New poverty lawyers are tech-savvy.