Anchor: Credit cards work almost everywhere these days, but cash and travelers' checks should always be on hand as a fall back.
Entailed: Cash and travelers' checks are fallbacks for credit cards.
Contradiction: You should never have cash as a fallback.
Contradiction: There are only salesmen at the open-air markets.
Contradiction: A shirtless boy rides his bike.
Contradiction: I hate it when campgrounds have nice showers.
Contradiction: It was issued by the Federal Communications Commission.