Anchor: The speech was long and, I can now see, rather platitudinous.
Entailed: I can now see that the speech was long.
Contradiction: I can now see that the speech was short.
Contradiction: The girls are walking to the corner.
Contradiction: It's not impossible for someone to be rudely sarcastic even if he denies it to himself.
Contradiction: The 2 people are relaxing poolside with umbrellas in their drinks.
Contradiction: A human with clothing.