A construction worker standing on the roof of a house wearing an orange vest with a yellow hard hat.
There is a person outside on the roof.
A construction worker is a person, and outside on the roof is a rephrasing for standing on the roof.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_roof(x4) & a_topic(x1) & on(x1,x4) & of(x4,x5) & Theme(e1,x7) & Actor(e1,x6) & v_wear(e1) & with(x7,x9) & n_hat(x9) & a_hard(s2) & Theme(s2,x9) & a_yellow(s1) & Theme(s1,x9) & n_vest(x7) & of(x7,x8) & n_orange(x8) & (x5 = x6) & n_house(x5) & n_standing(x1) & of(x1,x3) & n_worker(x3) & of(x1,x2) & n_construction(x2))
exists p1 x1 x4.(n_roof(x4) & exists x2 x3.((x1 = x2) & on(x3,x4) & outside(x2,x3) & n_thing(x3) & n_person(x2)))