A group of bike riders are riding in an athletic event.
Bike riders are competing for money at an athletic event.
People can participate in athletic events for many reasons, they are not necessarily competing for money.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_event(x4) & a_athletic(s1) & Theme(s1,x4) & Actor(e1,x1) & v_ride(e1) & of(x1,x2) & n_rider(x2) & of(x2,x3) & n_bike(x3) & n_group(x1))
exists e1 s1 x1 x2 x3 x4.(at(e1,x4) & n_event(x4) & a_athletic(s1) & Theme(s1,x4) & for(e1,x3) & n_money(x3) & Actor(e1,x1) & v_compete(e1) & n_rider(x1) & (x1 = x2) & ne_nam_bike(x2))