Two men with children on their shoulders.
Two men help their children see the parade better.
Sentence two may be talking about different men.
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_shoulder(x3) & of(x3,x1) & n_thing(x1) & with(x1,x2) & n_child(x2) & n_man(x1) & card_eq_2(x1))
exists e1 e2 s1 x1 x2 x3 x4.(n_parade(x4) & Theme(e2,x2) & Actor(e2,x1) & v_help(e2) & a_better(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_see(e1) & (x2 = x3) & n_child(x2) & of(x2,x1) & n_thing(x1) & n_man(x1) & card_eq_2(x1))