Anchor: A group of people standing on a vehicle with a large pair of white wings.
Entailed: there are people standing
Contradiction: there is a group of people sitting on a vehicle
Contradiction: Men run past each other.
Contradiction: Samples are sometimes tested more than once. 
Contradiction: Interventions and the staff conducting them need to remain rigid and focused in the face of injuries and the chaos of emergency situations.
Contradiction: Pedestrians walk beside a street.