A saxophone player plays on a beautiful day next to a fir tree.
he is using the port-a- potty in the woods
The saxophone player playing isn't using the port-a-potty.
exists e1 s1 x1 x2 x3 x4 x5 x6.(on(e1,x3) & to(x4,x5) & n_tree(x5) & of(x5,x6) & n_fir(x6) & next(x3,x4) & n_thing(x4) & n_day(x3) & a_beautiful(s1) & Theme(s1,x3) & Actor(e1,x1) & v_play(e1) & n_player(x1) & of(x1,x2) & n_saxophone(x2))
exists e1 s1 x1 x2 x3.(n_wood(x3) & n_potty(x2) & a_port-a-(s1) & Theme(s1,x2) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & in(x2,x3))