A man in a helmet is riding a bike.
A man in a helmet preparing to win the tour de France.
It does not necessarily mean that the person preparing to win the tour de France is also riding a bike.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & in(x1,x2) & n_helmet(x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4 x5.(ne_org_france(x5) & n_tour(x4) & a_topic(x1) & in(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_prepare(e1) & exists e2.(Theme(e2,x4) & Actor(e2,x3) & v_win(e2) & de(x4,x5)) & (x2 = x3) & n_helmet(x2) & n_man(x1))