    Seritence 1: What:color, was used to: eniphasize  the SOth ariniver saty of the Super Bowl?.    Seritence 2:-Siipé’~ Bowl, 50 -was' ‘an Anigrican:  football game’ to. detérminé- the ‘champion’ of the  National Football: League, (NFL) for: the 2015  season.