A backhoe is on top of a pile of rubble from a demolished building.
A building has been demolished so that a new hospital can be constructed.
Just because  A backhoe is on top of a pile of rubble from a demolished building does not mean the building was demolished so that a new hospital can be constructed.
exists p1 x1.(exists s1 x2 x3 x4 x5.(on(x1,x2) & of(x2,x3) & of(x3,x4) & from(x4,x5) & n_building(x5) & a_demolished(s1) & Theme(s1,x5) & n_rubble(x4) & n_pile(x3) & n_top(x2)) & n_backhoe(x1))
exists e1 p1 x1.(r_so(e1) & exists e2 p2 s1 x2.(exists e3.(Theme(e3,x2) & v_construct(e3)) & Topic(e2,p2) & Actor(e2,x2) & v_can(e2) & n_hospital(x2) & a_new(s1) & Theme(s1,x2)) & that(e1,p1) & Theme(e1,x1) & v_demolish(e1) & n_building(x1))