A dog jumps off the stairs.
A puppy is leaping off of a staircase.
Not all dogs are a puppy.
exists e1 s1 x1 x2.(n_stair(x2) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists e1 x1 x2.(of(e1,x2) & n_staircase(x2) & r_off(e1) & Actor(e1,x1) & v_leap(e1) & n_puppy(x1))