Two young men run on a track outside.
Two men are riding bicycles together
either two men run on track or riding bicyles and cannot be doing both
exists e1 s1 x1 x2 x3.(on(e1,x2) & n_outside(x2) & of(x2,x3) & n_track(x3) & Actor(e1,x1) & v_run(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 p1 x1 x2.(exists s1.(Theme(s1,x2) & a_together(s1)) & Recipient(e1,p1) & Actor(e1,x1) & Topic(e1,x2) & v_ride(e1) & n_bicycle(x2) & n_man(x1) & card_eq_2(x1))