Anchor: To one person, a case study involves looking at individual people.
Entailed: A case study can involve looking at individual people.
Contradiction: Nobody believes that a case study can be done by looking at small groups.
Contradiction: Two kids play in the living room with a ball.
Contradiction: The man is on the phone.
Contradiction: The woman is skiing down Everest.
Contradiction: A dirst road with a red and white sports car going down it