Complex sentence: During "Big Brother 13", its appearance coincided with a veto competition where the house guests raced to build the "Bride of Zingbot;" in "Big Brother 14", the theme was to build a Zingbot baby during one of the veto competitions.
Split into simpler sentences: During "Big Brother 13", its appearance coincided with a veto competition where the house guests raced to build the "Bride of Zingbot;". In "Big Brother 14", the theme was to build a Zingbot baby during one of the veto competitions.