A white dog running across the snow.
The white dog is outside.
A dog running across snow means the dog is outside.
exists e1 s1 x1 x2 x3.(n_snow(x3) & a_topic(x1) & across(e1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists s1 s2 x1.(n_dog(x1) & a_white(s1) & Theme(s1,x1) & Theme(s2,x1) & a_outside(s2))