A brown dog smelling a gray dog's tail.
The dogs are outside.
Dogs can smell other dog's tails either inside or outside.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x2) & v_smell(e1) & n_tail(x4) & of(x4,x3) & n_dog(x3) & a_gray(s2) & Theme(s2,x3) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_outside(s1))