A tan dog is standing in front of some plants.
a cat and some plants.
A cat isn't a dog.
exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_plant(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1) & a_tan(s1) & Theme(s1,x1))
exists s1 x1 x2.(a_topic(s1) & subset_of(x2,s1) & n_plant(x2) & subset_of(x1,s1) & n_cat(x1))