A man in costume drums in a parade.
There is a man playing drums.
A man is playing drums as a man in costume drums.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & in(x2,x3) & n_parade(x3) & n_drum(x2) & a_costume(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_drum(x4) & (x2 = x3) & n_man(x2))