a brown and black dog running through a river
A pair of dogs chase after a fox.
Just because dogs are running through a river doesn't mean they're chasing after a fox.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_river(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_black(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))
exists x1 x2 x3 x4.(a_topic(x1) & after(x1,x4) & n_fox(x4) & of(x1,x2) & n_chase(x2) & of(x2,x3) & n_dog(x3) & n_pair(x1))