A dog with a few leashes and a vest on pulls at something with its mouth.
A dog with leashes on.
A dog can pull with leashes and a vest.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & with(x1,x2) & subset_of(x4,x2) & on(x4,x5) & at(x5,x6) & with(x6,x7) & n_mouth(x7) & of(x7,x1) & n_thing(x1) & n_thing(x6) & n_pull(x5) & n_vest(x4) & subset_of(x3,x2) & n_leash(x3) & a_few(s1) & Theme(s1,x3) & n_dog(x1))
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_leash(x2) & n_dog(x1))