Someone is looking out their window watching the mailman deliver their mail and drive on to the next house.
Someone is looking out their window, waiting for the mail.
Someone is looking out their window watching the mailman deliver their mail and drive on to the next house does not mean that waiting for the mail.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_house(x8) & a_next(s1) & Theme(s1,x8) & n_mailman(x4) & out(e1,x2) & exists e3.(r_on(e3) & to(e3,x8) & Theme(e3,x5) & Actor(e3,x4) & v_deliver(e3)) & n_drive(x7) & n_mail(x6) & subset_of(x7,x5) & subset_of(x6,x5) & of(x5,x1) & n_thing(x1) & n_thing(x1) & Recipient(e2,p1) & Actor(e2,x3) & Topic(e2,x4) & v_watch(e2) & (x2 = x3) & n_window(x2) & of(x2,x1) & Actor(e1,x1) & v_look(e1) & n_person(x1))
exists e2 e1 x1 x2 x3.(n_mail(x3) & for(e1,e2) & for(e2,x3) & Actor(e2,x1) & v_wait(e2) & out(e1,x2) & n_window(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_look(e1) & n_person(x1))