Four girls are sitting on a blue ATV in field.
The girls are on a vehicle in a field.
A blue ATV is a vehicle.
exists e1 s1 x1 x2 x3.(on(e1,x2) & in(x2,x3) & n_field(x3) & ne_org_atv(x2) & a_blue(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_4(x1))
exists p1 x1.(n_girl(x1) & exists x2 x3.(on(x1,x2) & in(x2,x3) & n_field(x3) & n_vehicle(x2)))