Men in orange vests and hard hats.
The men are wearing uniforms for their construction job.
Just because the men are in orange vests and hard hats doesn't mean they have a construction job.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & n_hat(x5) & a_hard(s1) & Theme(s1,x5) & n_vest(x4) & subset_of(x5,x2) & subset_of(x4,x2) & of(x2,x3) & n_orange(x3) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_job(x3) & of(x3,x4) & n_construction(x4) & of(x3,x1) & n_thing(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & for(x2,x3) & n_uniform(x2))