Two men in blue uniforms and green workman vest.
Two men wearing vests.
wearing vests is a rephrasing of in a vest.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & n_vest(x4) & of(x4,x5) & n_workman(x5) & a_green(s2) & Theme(s2,x4) & n_uniform(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_vest(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))