Anchor: The two islands of the Nile offer contrasting attractions.
Entailed: The attractions on the pair of Nile islands offer a juxtaposition of themes.
Contradiction: There are no islands on the Nile due to the constant river current.
Contradiction: The two islands of the Nile have the same attractions.
Contradiction: I felt completely sane. 
Contradiction: "We just don't have any place to store the aluminum cans."
Contradiction: The French detest how the philosophy community is supported by only a small percentage of people and as a result, they avoid the subject entirely.