A view of people moving up and down on escalators from above.
The escalator ate the young boy.
People on escalators should be more than one boy. People either move up and down on escalators or the boy was ate by the escalator
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & of(x1,x2) & from(e2,x8) & n_above(x8) & on(e2,x7) & n_escalator(x7) & a_down(s2) & Manner(e2,s2) & Actor(e2,x6) & v_move(e2) & (x2 = x6) & from(e1,x5) & n_above(x5) & on(e1,x4) & n_escalator(x4) & a_up(s1) & Manner(e1,s1) & Actor(e1,x3) & v_move(e1) & (x2 = x3) & n_people(x2) & n_view(x1))
exists e1 s1 x1 x2.(n_boy(x2) & a_young(s1) & Theme(s1,x2) & n_escalator(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1))