Complex sentence: The HouseGuests then went outside to the Big Brother RV for the "Take It Off" Roadkill competition, where the HouseGuests competed individually to strip off their clothes while holding down three buttons while driving the RV.
Split into simpler sentences: The HouseGuests then went outside to the Big Brother RV for the "Take It Off" Roadkill competition. They had to strip off their clothes while holding down three buttons while driving the RV.