Anchor: Stairways and railings just inside the gate make a tour of the battlements safe.
Entailed: It is safe to explore the battlements, due to the presence of the railings and stairs beyond the gate. 
Contradiction: Touring the battlements is not safe, due to the fact that there are no railings or stairways. 
Contradiction: A man watches a large train.
Contradiction: Many of the affluent population fled the country after 1959. 
Contradiction: Johnson was never evocative.
Contradiction: Two females at Washington Farms