Two construction workers are wearing hard hats and orange vests.
The men are building a house.
Construction workers does not imply men and wearing hard hats and vests does not imply building a house.
exists e1 s1 x1 x2 x3 x4 x5 x6.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & subset_of(x5,x3) & n_vest(x5) & of(x5,x6) & n_orange(x6) & subset_of(x4,x3) & n_hat(x4) & a_hard(s1) & Theme(s1,x4) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_house(x2))