Question: Which official state flag is used by the stadium handlers of Alph Phi Omega?
Sentence (from "World's Largest Texas Flag"): The World's Largest Texas Flag is a Texas flag used by the stadium handlers of Alpha Phi Omega (ΑΦΩ or APO), a national co-ed service fraternity, at the University of Texas at Austin in displays at football pre-game shows, at pep rallies, or for other purposes.
Relevant evidence: Yes