A man is playing a large red drum.
A professional musician is playing a large drum.
The man doesn't need to be a professional musician to play a drum.
exists e2 e1 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 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_drum(x2) & a_large(s2) & Theme(s2,x2) & n_musician(x1) & a_professional(s1) & Theme(s1,x1))