A dog running with a stick in the snow.
The dog is playing fetch.
Just because the dog is playing with a stick doesn't mean they are playing fetch.
exists e1 x1 x2 x3 x4.(n_snow(x4) & a_topic(x1) & with(e1,x3) & in(x3,x4) & n_stick(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1))
exists e1 s1 x1.(n_dog(x1) & a_fetch(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1))