Text: In a rare opportunity for concentrated effort by one man on such a gigantic project, Bernini completed the 284 travertine columns, 88 pilasters, and 140 statues of the saints in just 11 years, from 1656 to 1667.
Entailment: It took Bernini 11 years to finish the project.
Contradiction: Bernini died before completing 200 travertine columns.