Anchor: Evaluation case studies have covered shorter periods and involved less on-site investigation than research case studies characteristically do.
Entailed: Evaluation case studies have covered shorter periods and involved less on-site investigation than research case studies usually do.
Contradiction: Evaluation case studies have covered longer periods and involved more on-site investigation than research case studies characteristically do.
Contradiction: A girl in a pink suit on the beach.
Contradiction: Someone is running.
Contradiction: A girl is happy because her shorts are blue.
Contradiction: I tend not to watch much.