A motorcyclist in a blue motorbike in a racing track.
The man used blue on his bike because it was his lucky color.
Someone having a blue motorbike does not imply it is their lucky color.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & in(x2,x3) & n_track(x3) & of(x3,x4) & n_racing(x4) & n_motorbike(x2) & a_blue(s1) & Theme(s1,x2) & n_motorcyclist(x1))
exists e1 p1 s1 s2 x1 x2 x3.(n_color(x3) & a_lucky(s2) & Theme(s2,x3) & of(x3,x1) & n_male(x1) & n_male(x1) & n_thing(x1) & n_bike(x2) & of(x2,x1) & n_man(x1) & exists p2.(x1 = x3) & because(e1,p1) & on(e1,x2) & a_blue(s1) & Manner(e1,s1) & Actor(e1,x1) & v_use(e1))