Anchor: Always ask for a receipt that records information about the item, and if you buy an antique, be sure to get a certificate of authentication.
Entailed: When buying an antique, get a certificate of authentication.
Contradiction: You don't need a receipt that records information about an item.
Contradiction: Investors try to direct capital towards companies that are unproductive.
Contradiction: It was a bad change. 
Contradiction: They are ready for their closeup.
Contradiction: The man is wearing pants.