Simplify the following text for a Grade 10 native English-speaking person.
Original: PÃ rez began working in World Wrestling Entertainment 's `` farm territory '' Ohio Valley Wrestling ( OVW ) in March 2004 when she was kayfabe brought her in as a way to taunt her ex-boyfriend John Hennigan .
Simplified: Perez debuted in WWE 's developmental territory Ohio Valley Wrestling ( OVW ) in March 2004 , being placed in a storyline as John Hennigan 's ex-girlfriend . The storyline had Matt Cappotelli introduce her to the ring as a way to taunt Hennigan .