A man with a gas mask and goggles on his head.
A soldier is wearing a mask and goggles.
A man with a gas mask and goggles on his head is not necessarily a soldier.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x2) & subset_of(x5,x2) & on(x5,x6) & n_head(x6) & of(x6,x1) & n_male(x1) & n_goggles(x5) & subset_of(x3,x2) & n_mask(x3) & of(x3,x4) & n_gas(x4) & n_man(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & subset_of(x4,x2) & n_goggles(x4) & subset_of(x3,x2) & n_mask(x3) & n_soldier(x1))