Anchor: By the end of the 1980s, more than 80 percent of Cuban trade was with the USSR, which also provided Cuba with a subsidy of state support worth an estimated US$5 billion annually.
Entailed: Cuban trade with the USSR provided Cuba with $5 billion in state support.
Contradiction: At the end of the 1980s, Cuba no longer had any trade with the USSR.
Contradiction: All of the ruins and preserved and no one is allowed near them.
Contradiction: More than a couple minutes
Contradiction: I have no mortgage payments. 
Contradiction: Motorboats can only be operated by captains with an official license.