3 guys are biking down the street while onlookers view them.
Bikers are wearing helmets traveling in the road.
The bikers are not implied to be wearing helmets.
exists e1 p1 x1 x2.(n_thing(x2) & n_street(x2) & exists e2 x3.(Theme(e2,x2) & Actor(e2,x3) & v_view(e2) & n_onlooker(x3)) & while(e1,p1) & down(e1,x2) & Actor(e1,x1) & v_bike(e1) & n_guy(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))
exists e1 e2 x1 x2 x3 x4.(n_road(x4) & Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & in(e1,x4) & Actor(e1,x3) & v_travel(e1) & (x2 = x3) & n_helmet(x2) & n_biker(x1))