Two dogs run through grass.
Two animals laying down in a field.
Animals implies any type of animal whereas a dog is a specific type of animal.
exists e1 x1 x2.(through(e1,x2) & n_grass(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_field(x3) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_animal(x1) & card_eq_2(x1))