A man is playing a large red drum.
A human is playing a red percussion instrument.
A man is a human and a large percussion instrument is a drum.
exists e1 e2 s1 x1 x2 x3.(Actor(e2,x1) & v_drum(e2) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_red(x3) & a_large(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & of(x2,x3) & n_percussion(x3) & a_red(s1) & Theme(s1,x2) & n_human(x1))