Anchor: It would be hard to spot one among three million, anyhow.
Entailed: It would be hard to pick out one in millions.
Contradiction: It would not take any effort to spot one.
Contradiction: You cannot purchase perfumes or crystal in Guadeloupe.
Contradiction: People lean against a wall defaced with street art.
Contradiction: It is completely empty here throughout the summer weekends. 
Contradiction: There is a young man using a telescope.