Anchor: To get more authentic information, evaluators have sometimes become participants in situations, not identified to the other persons involved as GAO staff.
Entailed: Evaluators have sometimes become participants in situations, not identified to the other persons involved in GAO staff, to get more authentic information.
Contradiction: To get more authentic information, participants have sometimes become evaluators, not identified to the other persons involved as GAO staff.
Contradiction: A man in a black shirt and blue shorts doesn't stand in the doorway
Contradiction: A human sitting
Contradiction: Tommy was friends with the man.
Contradiction: The staff had grown.