The man races his bike down the hill.
A man is trying to win a bike race.
Racing bike down the hill does not mean he is trying to win a race.
(x)
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_win(e2) & n_race(x2) & of(x2,x3) & n_bike(x3)) & n_man(x1))