premise: People are on an escalator waiting to get to their destination while looking outside of the glass that makes up the wall.
hypothesis: People are taking the elevator.
explanation_1: Answer;People can either be taking the elevator  or be waiting for it
explanation_2: An escalator is moving stairs and elecater is a moving room.
explanation_3: People cannot travel on the escalator and elevator at the same time.
premise_logic: exists e1 p1 p2 x1 x3 x4 x6.(n_wall(x6) & n_glass(x4) & for(p1,e1) & Topic(e1,p2) & Actor(e1,x1) & v_wait(e1) & exists e4 e2 e3 s1 x5.(while(e2,e3) & of(e3,x4) & a_up(s1) & Manner(e4,s1) & Theme(e4,x6) & Actor(e4,x5) & v_make(e4) & (x4 = x5) & r_outside(e3) & Actor(e3,x1) & v_look(e3) & to(e2,x3) & Actor(e2,x1) & v_get(e2)) & n_destination(x3) & of(x3,x1) & n_thing(x1) & exists x2.(on(x1,x2) & n_escalator(x2)) & n_people(x1))
hypothesis_logic: exists e1 x1 x2.(n_elevator(x2) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_people(x1))