A group of soldiers are standing with guns in front of an armored vehicle.
Some soldiers are in front of armored vehicles with guns.
A group would imply more than one.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_vehicle(x5) & a_armored(s1) & Theme(s1,x5) & n_front(x4) & with(e1,x3) & n_gun(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_soldier(x2) & n_group(x1))
exists p1 x1.(exists s1 x2 x3 x4.(in(x1,x2) & with(x2,x4) & n_gun(x4) & of(x2,x3) & n_vehicle(x3) & a_armored(s1) & Theme(s1,x3) & n_front(x2)) & n_soldier(x1))