An old man wearing glasses and gray suit riding a bicycle next to a bus with a picture of the movie Iron man.
A bus with a movie advertisement on it went by.
The sentence is telling is that the movie of Iron man is an advertisement on the side of the bus.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(with(e2,x6) & of(x6,x1) & n_man(x1) & n_man(x1) & (x1 = x8) & ne_nam_iron(x8) & of(x1,x7) & n_movie(x7) & n_picture(x6) & to(e2,x5) & n_bus(x5) & r_next(e2) & Theme(e2,x4) & Actor(e2,x3) & v_ride(e2) & n_bicycle(x4) & n_suit(x3) & a_gray(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_glass(x2) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(a_by(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1) & with(x1,x2) & on(x2,x1) & n_thing(x1) & n_advertisement(x2) & of(x2,x3) & n_movie(x3) & n_bus(x1))