People walking across a footbridge over a lake.
Two men and three women using a footbridge to cross a lake.
Sentence one says people were walking not two men and three women.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x4) & n_lake(x4) & across(e1,x3) & n_footbridge(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))
exists e1 p1 s1 x1 x2 x3 x4.(a_topic(s1) & Theme(e1,p1) & Recipient(e1,x4) & Actor(e1,x3) & v_use(e1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x3) & v_cross(e2) & n_lake(x5)) & n_footbridge(x4) & (s1 = x3) & n_woman(x2) & card_eq_3(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1) & card_eq_2(s1))