the dog is jumping on to the couch
The dog is sitting on the road.
it impossible for a dog to be jumping and sitting at the same time.
exists e1 s1 x1 x2.(n_couch(x2) & n_dog(x1) & to(e1,x2) & a_on(s1) & Manner(e1,s1) & Actor(e1,x1) & v_jump(e1))
exists e1 x1 x2.(n_road(x2) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))