A middle-aged man strides in front of an older man in a race while spectators look on.
Two men are walking together.
One man can't walk in front of the other man while walking together
exists e1 p1 s1 s2 x1 x2 x3 x4.(exists e2 p2 x5.(exists s3.(Theme(s3,x5) & a_on(s3)) & Topic(e2,p2) & Actor(e2,x5) & v_look(e2) & n_spectator(x5)) & while(e1,p1) & in(e1,x4) & n_race(x4) & in(e1,x2) & of(x2,x3) & n_man(x3) & r_more(s2) & a_older(s2) & Theme(s2,x3) & n_front(x2) & Actor(e1,x1) & v_stride(e1) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_2(x1))