People in orange vests and blue pants with a yellow stripe at the bottom await the beginning of a race.
the runners waited to start the olympic race
Not all races are olympic, and not all people in that clothing are runners.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_beginning(x8) & n_bottom(x7) & Theme(e1,x8) & Actor(e1,x1) & v_await(e1) & of(x8,x9) & n_race(x9) & subset_of(x5,x1) & with(x5,x6) & at(x6,x7) & n_stripe(x6) & a_yellow(s2) & Theme(s2,x6) & n_pants(x5) & a_blue(s1) & Theme(s1,x5) & subset_of(x2,x1) & in(x2,x3) & n_vest(x3) & of(x3,x4) & n_orange(x4) & n_people(x2))
exists e1 p1 s1 x1 x2.(n_race(x2) & a_olympic(s1) & Theme(s1,x2) & n_runner(x1) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_start(e2)))