Anchor: Begun in 1143, its arcaded facade varies the patterns of its four tiers of columns sculpted, striped, scrolled, chevroned in pink, green, black, or white marble.
Entailed: Some columns are chevroned in pink, green, black or white marble.
Contradiction: The marble columns were never meant to be constructed differently.
Contradiction: You have to come walking because there is no space for cars.
Contradiction: Five people are talking.
Contradiction: The total emission of methane must be increased.
Contradiction: This is the best time to act in the grand scheme of things.