A dog is running in the snow.
The dog is eating snow as he runs.
A dog running in the snow doesn't have to be eating snow.
exists e1 x1 x2.(n_snow(x2) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 p1 x1 x2.(n_male(x1) & n_dog(x1) & exists e2.(Actor(e2,x1) & v_run(e2)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_snow(x2))