People in Asia on a busy escalator.
People on a busy escalator.
in a both sentence  people on a busy.
exists s1 x1 x2 x3.(ne_geo_asia(x2) & a_topic(x1) & on(x1,x3) & n_escalator(x3) & a_busy(s1) & Theme(s1,x3) & in(x1,x2) & n_people(x1))
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_escalator(x2) & a_busy(s1) & Theme(s1,x2) & n_people(x1))