Anchor: Their occupation was fiercely opposed by a confederation of Celts, known as the Lusitani, living in central Portugal.
Entailed: The Celts in Portugal were called the Lusitani.
Contradiction: There were no Celts living in central Portugal. 
Contradiction: A man is talking about Ohio.
Contradiction: Helms supports the move to settle the U.N. debt.
Contradiction: I really hated my IBM because it is so slow.
Contradiction: The building is near a tree.