Anchor: yeah oh for heaven's sake well we only live probably about fifteen twenty miles from Knox
Entailed: Knox is only between 15 and 20 miles away from where we live.
Contradiction: No, that's great because we live in Knox.
Contradiction: John stayed and ignored Cynthia as she walked by. 
Contradiction: A person is wearing equipment of some kind is looking around.
Contradiction: the kids were playing dodge ball
Contradiction: A dog chases a ball.