Eight people are on an escalator going up or down.
Group of people taking an escalator.
eight people are the  Group of people taking an escalator going up or down
exists p1 x1.(exists x2.(on(x1,x2) & (exists e1 s1 x3.(a_up(s1) & Manner(e1,s1) & Actor(e1,x3) & v_go(e1) & (x2 = x3)) | exists e2 s2 x4.(a_down(s2) & Manner(e2,s2) & Actor(e2,x4) & v_go(e2) & (x2 = x4))) & n_escalator(x2)) & n_people(x1) & card_eq_8(x1))
exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_escalator(x3) & (x1 = x2) & n_people(x1))