Anchor: In such instances, GAO will provide knowledgeable staff with the understanding that they are present only to answer questions about the specifics of released GAO products.
Entailed: GAO will make people available to answer questions about their released products. 
Contradiction: Staff will be available to answer questions about anything relating to GAO. 
Contradiction: There aren't any towns in national parks, only animals and plants.
Contradiction: Each of the organizations we studied had reformed their information security systems.
Contradiction: Pedestrians walk past a construction site surrounded by CAUTION tape.
Contradiction: More takeovers are probable.