Two little children are walking up some steps to get into an airplane.
Two kids climb some steps.
The children walking up the steps are kids who climb some steps.
exists e1 p1 s1 s2 s3 x1 x2 x3.(Topic(e1,p1) & exists e2 x4.(into(e2,x4) & n_airplane(x4) & Actor(e2,x1) & v_get(e2)) & a_up(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_step(x3) & n_child(x2) & a_little(s2) & Theme(s2,x2) & card_eq_2(x2) & n_child(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_step(x2) & n_kid(x1) & card_eq_2(x1))