A group of people, one holding a yellow and blue umbrella, are standing at the top of some stairs.
A single person goes up an escalator.
An elevator and stairs are not the same thing and a group of people is not the same as a single person.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_top(x8) & at(e2,x8) & of(x8,x9) & n_stair(x9) & Actor(e2,x1) & v_stand(e2) & of(x1,x2) & rel(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_umbrella(x7) & a_blue(s1) & Theme(s1,x7) & n_yellow(x6) & subset_of(x7,x5) & subset_of(x6,x5) & (x3 = x4) & n_thing(x3) & card_eq_1(x3) & n_people(x2) & n_group(x1))
exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_escalator(x2) & n_person(x1) & a_single(s1) & Theme(s1,x1))