A group of cyclists racing down a street with an onlooking crowd
People are on bicycles.
Cyclists ride on bicycles.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & down(e1,x4) & with(x4,x5) & n_crowd(x5) & of(x5,x6) & n_onlooking(x6) & n_street(x4) & Actor(e1,x3) & v_race(e1) & (x1 = x3) & of(x1,x2) & n_cyclist(x2) & n_group(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_bicycle(x2)) & n_people(x1))