A group of men in blue uniforms, holding guns are walking down the street.
These men are police
All men in blue uniforms are necessarily police officers.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_street(x6) & down(e2,x6) & Actor(e2,x1) & v_walk(e2) & of(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_gun(x5) & (x2 = x4) & in(x2,x3) & n_uniform(x3) & a_blue(s1) & Theme(s1,x3) & n_man(x2) & n_group(x1))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_police(x2)))