A dark-colored dog walking across snow with something in its mouth.
A dog sleeps beside the fireplace as the snow falls outside.
The dog can't be walking at the same time as he sleeps.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & across(x1,x3) & with(x3,x4) & in(x4,x5) & n_mouth(x5) & of(x5,x1) & n_thing(x1) & n_thing(x4) & n_snow(x3) & n_walking(x1) & of(x1,x2) & n_dog(x2) & a_dark-colored(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(n_snow(x3) & n_fireplace(x2) & exists e2 p2.(exists s1.(Theme(s1,x3) & a_outside(s1)) & Topic(e2,p2) & Actor(e2,x3) & v_fall(e2)) & as(e1,p1) & beside(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_dog(x1))