The windows of the building are barred.
The house has clear windows
Barred windows cannot be clear because the bars are visible.
exists e1 x1 x2.(n_building(x2) & n_window(x1) & Theme(e1,x1) & v_bar(e1) & of(x1,x2))
exists e1 s1 x1 x2.(n_house(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_window(x2) & a_clear(s1) & Theme(s1,x2))