Anchor: Olives and olive oil are obvious choices to take home.
Entailed: Some of the more obvious choices to take home are olives and olive oil.
Contradiction: It is controversial and rare to use olives or olive oil.
Contradiction: It's better to remove the student than waste time trying to teach them
Contradiction: The federal government was a net saver for the bulk of the 1960s. 
Contradiction: My wife is pretty bad about groceries.
Contradiction: A man is holding his child.