Two little children are walking up some steps to get into an airplane.
An airplane is parked.
Children who get into an airplane presumably are attempting to board a parked airplane.
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.(Theme(e1,x1) & v_park(e1) & n_airplane(x1))