Two puppies play in the grass
Two puppies are swimming in a lake.
Grass is different than lake, and play is different than swimming.
exists e1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_puppy(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_swim(e1) & n_puppy(x1) & card_eq_2(x1))