A man standing in a white shirt is conducting a small group of violin players.
Bob is watching a large group of players.
The man can't be watching the violin players if he is conducting them.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e1,x4) & Actor(e1,x1) & v_conduct(e1) & of(x4,x5) & n_player(x5) & of(x5,x6) & n_violin(x6) & n_group(x4) & a_small(s2) & Theme(s2,x4) & in(x1,x3) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & n_standing(x1) & of(x1,x2) & n_man(x2))
exists e1 s1 x1 x2 x3.(ne_per_bob(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & of(x2,x3) & n_player(x3) & n_group(x2) & a_large(s1) & Theme(s1,x2))