A dog holds a large stick in its mouth.
A black dog raced across the field after retrieving the big stick in its mouth.
The dog's color is not known, it hasn't been shown to have raced and there may have been no retrieving.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_mouth(x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_stick(x2) & a_large(s1) & Theme(s1,x2) & n_dog(x1))
exists e2 e1 s1 s2 x1 x2 x3 x4.(n_mouth(x4) & of(x4,x2) & n_thing(x2) & n_stick(x3) & a_big(s2) & Theme(s2,x3) & n_field(x2) & after(e1,e2) & in(e2,x4) & Theme(e2,x3) & Actor(e2,x1) & v_retrieve(e2) & across(e1,x2) & Actor(e1,x1) & v_race(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))