Anchor: Nitrates can play a larger role in visibility problems in some portions of the West than in the East.
Entailed: The west is more affected by nitrate visibility problems than the east.
Contradiction: The West does not have visibility problems due to nitrates.
Contradiction: All darts come with complementary flasks of poison to dip them in.
Contradiction: "Where is Tuppence?", she asked.
Contradiction: Two men driving in the street
Contradiction: The people are speaking to one another.