a man relaxes with his backpack.
Nobody is relaxing.
nobody is zero person whereas a man counts to one
exists e1 x1 x2.(with(e1,x2) & n_backpack(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_relax(e1) & n_man(x1))
-exists e1 x1.(Actor(e1,x1) & v_relax(e1) & n_person(x1))