dog jumping for Frisbee
The pet is sitting in the hallway.
One cannot be jumping while sitting at the same time.
exists e1 x1 x2 x3.(ne_org_frisbee(x3) & a_topic(x1) & for(e1,x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_dog(x1))
exists e1 x1 x2.(n_hallway(x2) & n_pet(x1) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))