Anchor: If he had spent time in the archives, says van Pelt, he would have found evidence about ventilation systems, ways to introduce Zyclon B into these buildings--but of course I don't think he knows German so it wouldn't have helped very much.
Entailed: He did not spend enough time researching on the matter. 
Contradiction: He was researching on the chemical reaction of Zyclon A into the walls of the building.  
Contradiction: The distance, north to south, cannot be covered by car.
Contradiction: A group of people is standing.
Contradiction: There is a person sitting
Contradiction: The dog is playing with the rope.