Two children are standing along the edge of a large stone stairwell.
A man is falling down stairs.
Two children aren't one man.
exists e1 s1 x1 x2 x3 x4.(n_edge(x2) & along(e1,x2) & of(x2,x3) & n_stairwell(x3) & of(x3,x4) & n_stone(x4) & a_large(s1) & Theme(s1,x3) & Actor(e1,x1) & v_stand(e1) & n_child(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_stair(x2) & n_man(x1))