Anchor: Voluntary associations soon learned to put out their message in newspaper formats, to take advantage of the mail.
Entailed: The mail is taken advantage of by voluntary associations. 
Contradiction: No messages were ever put in newspaper format. 
Contradiction: Las Vegas was merely a stopover; crew would rest elsewhere.
Contradiction: Popular kids make fun of the people that want to be popular. 
Contradiction: The price of an IPO should have nothing to do with investor's confidence in a company.
Contradiction: San Juan did not fly England's flag for long.