A black dog splashes in the water.
Two dogs play in the water.
A dog is singular; two dogs is plural.
exists s1 x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_splash(x1) & of(x1,x2) & n_dog(x2) & a_black(s1) & Theme(s1,x1))
exists x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_play(x1) & of(x1,x2) & n_dog(x2) & card_eq_2(x1))