Three people are riding around on ATV's and motorcycles.
the boy liked cowboys
People riding on ATV's and motorcycles can like a multitude of things, not just cowboys.
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 e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_like(e1) & n_cowboy(x2))