Anchor: Following the conquest in 1453, his grave was rediscovered, and Mehmet the Conqueror erected a shrine on the spot, followed in 1458 by a mosque, the first to be built in Istanbul.
Entailed: The first mosque ever built in the city of Istanbul was erected in 1458.
Contradiction: Istanbul had possessed mosques since the 12th century.
Contradiction: You can expect to get a call from me at 8 o'clock. 
Contradiction: Slate has a web site.
Contradiction: I hated covering for him.
Contradiction: A man is near the river.