There are hundreds of people with red shirts running a marathon.
People are running.
The people running are the hundreds of people running in a marathon.
exists p1 x1 e1 s1 x2 x3 x4 x5 x6.((x1 = x2) & of(x2,x3) & Theme(e1,x6) & Actor(e1,x5) & v_run(e1) & n_marathon(x6) & (x3 = x5) & with(x3,x4) & n_shirt(x4) & a_red(s1) & Theme(s1,x4) & n_people(x3) & n_hundred(x2))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_people(x1))