Text: The pleasant daze induced on the three-tiered travertine staircase, festooned in spring with pink azaleas, was celebrated by John Keats as a blissful cloud of summer indolence before he died here in 1821.
Entailment: John Keats died here in 1821, in what he described as a "blissful cloud of summer indolence".
Contradiction: The three-tiered staircase is boring, and is barely worth mentioning.