Anchor: We obtained information primarily through interviews with senior security managers and document analysis conducted during and after visits to the organizations we studied.
Entailed: Interviews and document analysis are two ways that information was gathered.
Contradiction: We never visited the organizations we studied.
Contradiction: Two men play brass instruments on a stage.
Contradiction: A crowd looks at a structure.
Contradiction: four birds fly south for the winter
Contradiction: Two girls are outside at night.