A dog stands in water.
The cat stood in water.
A cat and dog are different species of animals.
exists e1 x1 x2.(in(e1,x2) & n_water(x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1))
exists e1 x1 x2.(n_cat(x1) & in(e1,x2) & n_water(x2) & Actor(e1,x1) & v_stand(e1))