A group of men dressed in red are playing the drums.
The group of men is giving a concert.
A group playing drums does not infer they are giving a concert.
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 e1 x1 x2 x3.(n_group(x1) & Theme(e1,x3) & Actor(e1,x1) & v_give(e1) & n_concert(x3) & of(x1,x2) & n_man(x2))