Some expats celebrate and wave red flags.
patriots waving flags
Expats are a form of patriots, and red flags are types of flags.
exists e1 s1 x1 x2 x3 x4 x5 x6.(Time(e1,x6) & n_flag(x6) & Theme(e1,x2) & Actor(e1,x1) & v_expat(e1) & subset_of(x4,x2) & Theme(s1,x5) & a_red(s1) & (x4 = x5) & n_wave(x4) & subset_of(x3,x2) & n_celebrate(x3) & n_thing(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wave(e1) & n_flag(x3) & (x1 = x2) & n_patriot(x1))