A gray dog climbs up a slanted tree.
The dog is climbing a mountain.
The dog is either climbing up a tree or a mountain, or it is two different dogs.
exists e1 e2 s1 s2 x1 x2.(a_up(s2) & Manner(e2,s2) & Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & n_tree(x2) & Theme(e1,x2) & v_slant(e1) & n_dog(x1) & a_gray(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_mountain(x2))