A group of people standing on a vehicle with a large pair of white wings.
there is a group of people sitting on a vehicle
One cannot be standing and sitting simultaneously.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & with(e1,x5) & of(x5,x6) & n_wing(x6) & a_white(s2) & Theme(s2,x6) & n_pair(x5) & a_large(s1) & Theme(s1,x5) & on(e1,x4) & n_vehicle(x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & of(x2,x3) & on(e1,x5) & n_vehicle(x5) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_people(x3) & n_group(x2))