An individual in an orange shirt rides a red bike by a river.
A man rides in a bike race.
There is nothing to suggest that the individual is a man or that he is taking part in a bike race.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & by(x4,x5) & n_river(x5) & n_bike(x4) & a_red(s1) & Theme(s1,x4) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_orange(x3) & n_individual(x1))
exists e1 x1 x2 x3.(in(e1,x2) & n_race(x2) & of(x2,x3) & n_bike(x3) & Actor(e1,x1) & v_ride(e1) & n_man(x1))