a dog walks out of the water.
A cat in a bathtub.
either it is a dog or a cat
exists e1 x1 x2.(n_water(x2) & r_out(e1) & of(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_bathtub(x2) & n_cat(x1))