Dark colored dog leaping down a path.
A dog is laying in the grass.
To be laying in the grass means that one cannot be leaping down a path at the same time.
exists e2 e1 s1 x1 x2 x3.(ne_nam_dark(x1) & for(e1,e2) & a_down(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_leap(e2) & n_path(x3) & Theme(e1,x2) & Actor(e1,x1) & v_color(e1) & n_dog(x2))
exists e1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_dog(x1))