Anchor: Sometimes he saw Sather Karf or some other older man working with strange equipment, or with things that looked like familiar hypodermics and medical equipment.
Entailed: Sather Karf or a different old man could be seen with things that looked like medical equipment.
Contradiction: Sather Karf had never been seen or heard from again.
Contradiction: The postal service only has full time employees
Contradiction: People cooking and watching.
Contradiction: Caesarea was taken over by the Crusaders in a.d 647. 
Contradiction: A man sits at a computer.