Teenage boy riding a bicycle through a grassy field.
A boy is in a bike race across the field
Just because the boy is riding through a field does not mean it is a bike race
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & through(e1,x5) & n_field(x5) & a_grassy(s1) & Theme(s1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bicycle(x4) & (x1 = x3) & n_boy(x1) & of(x1,x2) & n_teenage(x2))
exists p1 x1 x4.(n_field(x4) & exists x2 x3.(in(x1,x2) & across(x2,x4) & n_race(x2) & of(x2,x3) & n_bike(x3)) & n_boy(x1))