6 motorcycle riders going on tour.
The motorcycles are going down the road
Going on tour does not imply motorcycles going down the road.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_tour(x4) & Actor(e1,x3) & v_go(e1) & (x1 = x3) & n_rider(x1) & of(x1,x2) & n_motorcycle(x2) & n_date(x1) & a_date_day_06(x1) & a_date_day_06(x1))
exists e1 x1 x2.(n_road(x2) & n_motorcycle(x1) & down(e1,x2) & Actor(e1,x1) & v_go(e1))