A man and a woman are standing in the middle of the highway looking at motorcycles on the road as traffic is passing.
A couple stand looking at their crashed motorcycles as no one stops to help
Being on the highway does not mean that their motorcycles are crashed.  Standing on the highway does not automatically mean that they need someone to stop for help.
exists e1 e2 p1 x1 x2 x3 x4 x5 x6 x7.(n_road(x6) & n_highway(x5) & n_middle(x4) & for(e1,e2) & at(e2,x7) & n_motorcycle(x7) & Actor(e2,x1) & v_look(e2) & exists e3 x8.(Actor(e3,x8) & v_pass(e3) & n_traffic(x8)) & as(e1,p1) & on(e1,x6) & in(e1,x4) & of(x4,x5) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 e2 p1 s1 x1 x2 x3 x4.(Topic(e2,p1) & Actor(e2,x1) & v_stop(e2) & exists e3.(Actor(e3,x1) & v_help(e3)) & -exists x5.(at(e1,x4) & as(x4,x5) & n_thing(x5) & card_eq_1(x5)) & n_motorcycle(x4) & a_crashed(s1) & Theme(s1,x4) & of(x4,x1) & n_thing(x1) & Actor(e1,x3) & v_look(e1) & (x1 = x3) & n_stand(x1) & of(x1,x2) & n_couple(x2))