Text: David Denby has expressed the disappointment of a generation of critics who entered the field during the feverish, Kael-inspired '70 Once upon a time they wanted to grab readers by the hand and lead them to passionate works of art, but no one would aim so high today.
Entailment: David Denby is disappointed by the generation of critics who no longer want to lead readers to passionate works of art.
Contradiction: David Denby is greatly impressed by the whole generation of critics.