Text: Perugia's antiquity is symbolized on the north side of town by the lovingly preserved Arco Etrusco (Etruscan and partly Roman triumphal arch) that was incorporated into its medieval ramparts.
Entailment: Perugia's past is kept in a loving fashion by the Arco Etrusco which was incorporated into its medieval ramparts.
Contradiction: The Arco Etrusco was destroyed in the medieval times.