The soldiers are in full gear standing in front of a tank.
The tank is an Army tank.
Soldiers standing in front of a tank does not imply it is an Army tank.
exists p1 x1 x2 x3.(n_soldier(x1) & in(p1,x2) & of(x2,x3) & n_tank(x3) & n_front(x2) & exists s1 x4 x5.(in(x1,x4) & n_standing(x4) & of(x4,x5) & n_gear(x5) & a_full(s1) & Theme(s1,x4)))
exists p1 x1.(n_tank(x1) & exists x2 x3.((x1 = x2) & n_tank(x2) & (x2 = x3) & ne_org_army(x3)))