Anchor: The introduction of what you call the race card is appropriate, seeing that the deck is obviously stacked because of your friend's color.
Entailed: Your friend has an obvious disadvantage and the race card is appropriate in a situation like this.
Contradiction: It is never okay for your friend to use the race card and this is no exception. 
Contradiction: Examining political, economic, and social issues usually answers more questions than it raises.
Contradiction: A man uses an old computer.
Contradiction: I do not plan to boycott.
Contradiction: An animal lying