Two bike riders are riding their road bikes through a state park filled with campers and other bikers.
Cyclists are racing in a charity race in the fall.
two bike riders riding their road bikes does not imply they are racing in a charity race.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_biker(x10) & through(e1,x4) & with(e2,x7) & subset_of(x9,x7) & -(x9 = x10) & n_biker(x9) & subset_of(x8,x7) & n_camper(x8) & Theme(e2,x6) & v_fill(e2) & (x4 = x6) & n_park(x4) & of(x4,x5) & n_state(x5) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_bike(x2) & of(x2,x3) & n_road(x3) & of(x2,x1) & n_thing(x1) & n_rider(x1) & of(x1,x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_fall(x4) & in(e1,x4) & in(e1,x2) & n_race(x2) & of(x2,x3) & n_charity(x3) & Actor(e1,x1) & v_race(e1) & n_cyclist(x1))