Anchor: Search for articles by authors who have been divorced, have red hair, or voted Republican in at least three but not more than five of the past six presidential elections;
Entailed: Look for articles by authors who were once married.
Contradiction: Do not include red-haired authors in your article search.
Contradiction: There are far too many Indians who don't have a chief. 
Contradiction: Some people fought and some people ran.
Contradiction: The man stands on the back porch of his house.
Contradiction: A woman is reading a book.