 Complete the following phrase:  DenneyFrazier returned to competition, beginning at the 2016 CS Ondrej Nepela Memorial, where they placed fourth. They received invitations to two Grand Prix events, the 2016 Skate America and 2016 Skate Canada International. They won the silver medal at Skate America, and finished fourth at Skate Canada International. They competed at a second Challenger event, the 