A man on a steep incline wearing a white shirt is working on a roof, with lots of debris all around.
A man is cleaning all the trash off a roof.
just because the man is working does not mean he is cleaning trash off of the roof
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(with(e2,x6) & of(x6,x7) & n_all(x7) & r_around(x7) & n_debris(x7) & n_lot(x6) & on(e2,x5) & n_roof(x5) & Actor(e2,x1) & v_work(e2) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_shirt(x4) & a_white(s2) & Theme(s2,x4) & (x2 = x3) & n_incline(x2) & a_steep(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x3.(n_trash(x3) & all x2.((x2 = x3) -> exists e1 x4.(off(e1,x4) & n_roof(x4) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1))) & n_man(x1))