A construction worker standing on the roof of a house wearing an orange vest with a yellow hard hat.
A construction worker went to sleep on the roof.
While it is possible to be standing, while a sleep, most people prefer to be laying down.
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 e1 p1 x1 x2 x3.(n_roof(x3) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2.(on(e2,x3) & Actor(e2,x1) & v_sleep(e2)) & n_worker(x1) & of(x1,x2) & n_construction(x2))