two men cleaning the windows of a tall building
The windows are getting cleaned.
If men are cleaning the windows, then it follows that the windows are getting cleaned.
exists e1 s1 x1 x2 x3 x4.(n_window(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_clean(e1) & of(x3,x4) & n_building(x4) & a_tall(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1.(n_window(x1) & exists e2.(Theme(e2,x1) & v_clean(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1))