A white dog running along side a river
a white dog running
If a white dog is running outside then they are running.
exists e1 s1 x1 x2.(a_topic(x1) & all x3.(n_river(x3) -> exists x4.(along(e1,x4) & for(x4,x3) & n_side(x4))) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))