Simplify the following text for a Grade 8 native English-speaking person.
Original: His victory is , however , short-lived ; Marcellina , Bartolo , and Basilio enter , bringing charges against Figaro and demanding that he honor his contract to marry Marcellina .
Simplified: Marcellina , Bartolo and Basilio now appear . Marcellina demands that Figaro should honor his contract to marry her .