A man in a hat is making digital music.
A woman is making music on a violin.
Digital music is made using electronic computer equipment, and a violin is not electronic.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_make(e1) & n_music(x3) & a_digital(s1) & Theme(s1,x3) & in(x1,x2) & n_hat(x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_violin(x3) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_music(x2) & n_woman(x1))