Two men in hats and orange uniforms are shoveling snow.
Some government workers shovel snow.
Men in hats and orange uniforms that are shoveling snow are not necessarily government workers.
exists e1 x1 x2 x3 x4 x5 x6.(Theme(e1,x6) & Actor(e1,x1) & v_shovel(e1) & n_snow(x6) & in(x1,x2) & subset_of(x4,x2) & n_uniform(x4) & of(x4,x5) & n_orange(x5) & subset_of(x3,x2) & n_hat(x3) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_shovel(e1) & n_snow(x3) & n_worker(x1) & of(x1,x2) & n_government(x2))