A woman is walking with a stroller in front of a building.
The woman is inside using the escalator.
The woman can not be in the front of the building and inside at the same time.
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_building(x4) & n_front(x3) & with(e1,x2) & n_stroller(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))
exists e1 s1 x1 x2.(n_escalator(x2) & n_woman(x1) & a_inside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1))