People on ATVs and dirt bikes are traveling along a worn path in a field surrounded by trees.
Off road vehicles are on a wooden path.
ATVs and dirt bikes are examples of off road vehicles.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(ne_nam_atvs(x3) & along(e1,x6) & Actor(e2,x9) & n_tree(x9) & Theme(e2,x8) & v_surround(e2) & (x6 = x8) & in(x6,x7) & n_field(x7) & n_path(x6) & a_worn(s1) & Theme(s1,x6) & Actor(e1,x1) & v_travel(e1) & on(x1,x2) & subset_of(x4,x2) & n_bike(x4) & of(x4,x5) & n_dirt(x5) & subset_of(x3,x2) & n_people(x1))
exists p1 x1 x2 x3.(exists s1 x4.(on(x1,x4) & n_path(x4) & a_wooden(s1) & Theme(s1,x4)) & n_vehicle(x1) & of(x1,x3) & n_road(x3) & (x1 = x2) & ne_nam_off(x2))