Anchor: In the United States, rural wages are generally lower than urban wages.
Entailed: In America, rural wages tend to be less than urban ones. 
Contradiction: Across the United States, urban workers get paid less than rural workers. 
Contradiction: You've heard about tornadoes I know that much. 
Contradiction: There is a clock on my cell phone.
Contradiction: Birch focused on lowering taxes.
Contradiction: The man is outdoors.