a pack of dogs roughhousing by a car on a dirty street.
dogs playing in the street
The dogs are playing because they are roughhousing.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & by(e1,x4) & on(x4,x5) & n_street(x5) & a_dirty(s1) & Theme(s1,x5) & n_car(x4) & Actor(e1,x3) & v_roughhouse(e1) & (x2 = x3) & n_dog(x2) & n_pack(x1))
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1))