Complex sentence: Respect was a mixed martial arts (MMA) pay-per-view event held by the Ultimate Fighting Championship on August 25,2007 at the Mandalay Bay Events Center in Las Vegas, Nevada.
Split into simpler sentences: Respect was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC). The event took place on August 25,2007 at the Mandalay Bay Events Center in Las Vegas, Nevada.