A construction crew works on demolishing a building.
The old office building is being torn down.
Building does not mean old office building.
exists e1 e2 x1 x2 x3 x4.(on(e1,e2) & Theme(e2,x4) & Actor(e2,x3) & v_demolish(e2) & n_building(x4) & Actor(e1,x1) & v_work(e1) & n_crew(x1) & of(x1,x2) & n_construction(x2))
exists e1 s1 s2 x1 x2.(n_building(x1) & of(x1,x2) & n_office(x2) & a_old(s1) & Theme(s1,x1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x1) & v_tear(e1))