A small dog walks with men in the city.
The small dog is dreaming.
If a dog is walking it is not dreaming.
exists e1 s1 x1 x2 x3.(n_city(x3) & with(e1,x2) & in(x2,x3) & n_man(x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1.(n_dog(x1) & a_small(s1) & Theme(s1,x1) & Actor(e1,x1) & v_dream(e1))