The Irish setter with the safety vest is running ahead of the Rottwieler and the Dalmation.
The dogs are running.
the Irish setter running ahead of the other dogs indicates all dogs are running
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_dalmation(x6) & ne_org_rottwieler(x5) & n_vest(x2) & of(x2,x3) & n_safety(x3) & n_setter(x1) & a_irish(s1) & Theme(s1,x1) & of(e1,x4) & subset_of(x6,x4) & subset_of(x5,x4) & r_ahead(e1) & Actor(e1,x1) & v_run(e1) & with(x1,x2))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_run(e1))