Anchor: Or maybe only 30 are true, in which case three should be confirmed overwhelmingly.
Entailed: There are at least 30. 
Contradiction: Of the 30 it is expected that at least twenty would be confirmed. 
Contradiction: A tap dancer is ready to perform.
Contradiction: A man stands in the ocean.
Contradiction: Two kids are playing video games.
Contradiction: Do you want to experience constant nightlife, or are there other vacation settings you'd rather experience?