Two children are climbing stairs which lead to an airplane.
Two children are going home.
It is not implied that the children will be going home in any way.
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & to(e1,x4) & n_airplane(x4) & Actor(e1,x3) & v_lead(e1) & (x2 = x3) & n_stair(x2) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(Time(e1,x2) & n_home(x2) & Actor(e1,x1) & v_go(e1) & n_child(x1) & card_eq_2(x1))