A boy stands beside a railing at a go kart track.
The boy is tired.
every boy is not tired.
exists e1 x1 x2 x3 x4 x5.(at(e1,x3) & n_track(x3) & of(x3,x5) & n_kart(x5) & of(x3,x4) & n_go(x4) & beside(e1,x2) & n_railing(x2) & Actor(e1,x1) & v_stand(e1) & n_boy(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_tired(s1))