Anchor: I suppose it would do no harm to walk toward the hill.  
Entailed: Walking towards the hill won't do any harm.
Contradiction: There is a lot of harm in walking towards the hill.
Contradiction: An old man is swinging a bat.
Contradiction: It was my understanding that you were in the nursing profession.
Contradiction: Five women walk on the street wearing ball caps.
Contradiction: Programs to evaluate whether programs worked together to assure clients needs are addressed