Anchor: Barry described two intervention trials among older adults in primary care.
Entailed: Barry talked about two intervention trials with older adults in primary care.
Contradiction: Barry talked at length about five intervention trials with older adults. 
Contradiction: It is ok if the Presidents' images are not exclusively ours.
Contradiction: People using skateboards on the street.
Contradiction: Three men are doing shots together.
Contradiction: Miss Howard spoke impatiently to Poirot.