Three people are riding around on ATV's and motorcycles.
a young boy runs
It cannot be three people and a young boy simultaneously.
exists e1 x1 x2 x3 x4 x5.(r_around(e1) & on(e1,x2) & subset_of(x5,x2) & n_motorcycle(x5) & subset_of(x3,x2) & n_'s(x3) & (x3 = x4) & ne_org_atv(x4) & Actor(e1,x1) & v_ride(e1) & n_people(x1) & card_eq_3(x1))
exists s1 x1 x2.(a_topic(x1) & n_run(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))