People riding the escalator rather than taking the stairs.
People choose the escalator over the stairs.
people choose escalator rather than taking stairs.
exists e1 x1 x2 x4.(n_stair(x4) & n_escalator(x2) & -exists e2 x3.(Theme(e2,x4) & Actor(e2,x3) & v_take(e2) & n_people(x3)) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_people(x1))
exists e1 x1 x2 x3.(n_stair(x3) & n_escalator(x2) & over(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_choose(e1) & n_people(x1))