Anchor: Some rely wholly on information collected by others, not trained as sociologists or anthropologists, rather than on firsthand observation.
Entailed: Some rely on collected info, others on firsthand observation 
Contradiction: Everyone rekuez on collected data
Contradiction: A boy is sitting inside a large building watching television.
Contradiction: The crusaders build gothic archwork which was later rebuilt. 
Contradiction: From Lincoln to Wilson it was 99.
Contradiction: The city public transportation systems stop at crosswalks.