People riding the escalator rather than taking the stairs.
People with disabilities riding the escalator.
They may not have disabilities. They could be just lazy.
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 x4.(n_escalator(x4) & a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & (x2 = x3) & n_disability(x2) & n_people(x1))