Text: Built by Emperor Hadrian around a.d. 125 on an earlier site destroyed by fire, it achieved a marvel of engineering with its magnificent coffered over 43 m (141 ft) in interior diameter (larger than St. Peter's), exactly equal to its height.
Entailment: Emperor Hardrian helped build a marvel of engineering around a.d. 125.
Contradiction: The marvel was ten feet shorter than St. Peter's.