Text: And I realized that, had Simon followed Lerner's advice and started writing musicals, we'd have had to get to the theater at 10:30 in the morning to read up on the textual footnotes.
Entailment: If Simon followed Lerner's advice and wrote musicals, we'd have to be at the theater at 10:30 in the morning to read about it.
Contradiction: If Simon followed Lerner's advice and wrote musicals, we'd never read about it.