A group of men dressed in red are playing the drums.
A group of people are in a band.
You do not have to be in a band to play drums.
exists e1 e2 x1 x2 x3 x4 x5.(n_drum(x5) & Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & of(x1,x2) & in(e1,x4) & n_red(x4) & Theme(e1,x3) & v_dress(e1) & (x2 = x3) & n_man(x2) & n_group(x1))
exists p1 x1 x2.(exists x3.(in(x1,x3) & n_band(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))