A young man is lining up on the scrimmage line in football practice.
a young man is playing football
line in football practice  shows that man is playing football
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_line(x2) & of(x2,x3) & n_scrimmage(x3) & a_up(s2) & Manner(e1,s2) & on(e1,x2) & in(x2,x4) & n_practice(x4) & of(x4,x5) & n_football(x5) & Actor(e1,x1) & v_line(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_football(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))