2 men are working to clean the roof of a building with another man watching.
A man is watching other men clean the roof of a building.
A man watches other men clean a roof. These are just different ways of writing it.
exists e1 p1 x1 x2 x4.(n_roof(x2) & Topic(e1,p1) & Actor(e1,x1) & v_work(e1) & exists e2 x3 x5 x6.(Theme(e2,x2) & Actor(e2,x1) & v_clean(e2) & of(x2,x3) & with(x3,x5) & n_watching(x5) & of(x5,x6) & n_man(x6) & -(x5 = x4) & n_building(x3)) & n_watching(x4) & of(x4,x1) & n_man(x1) & n_man(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
exists e1 e2 x1 x2 x3 x4 x5.(n_roof(x4) & Theme(e2,x4) & Actor(e2,x1) & v_clean(e2) & of(x4,x5) & n_building(x5) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & -(x3 = x1) & n_man(x1) & n_man(x1) & n_man(x3) & (x1 = x2))