Two dogs running on wet sand.
The dogs are running through the grassy field.
the dogs are running on either wet sand or grassy field
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_sand(x3) & a_wet(s1) & Theme(s1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_field(x2) & a_grassy(s1) & Theme(s1,x2) & n_dog(x1) & through(e1,x2) & Actor(e1,x1) & v_run(e1))