Anchor: The fortifications are a prime surviving testimony to the military technology of the time and have been proclaimed a national monument.
Entailed: Fortifications represent the military technology of the past and are a national monument.
Contradiction: The fortifications are not a national monument.
Contradiction: The man is young.
Contradiction: A curly haired man with glasses tugs a rope on a boat.
Contradiction: He didn't say anything
Contradiction: Some people are sitting down writing.