A factory worker is wearing an orange hard hat while working.
A man in an orange hard hat is in a factory.
The man is in a factory because he is working and a factory worker.
exists e1 e2 s1 x1 x2 x3 x4.(while(e1,e2) & Actor(e2,x1) & v_work(e2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_hat(x3) & a_hard(s1) & Theme(s1,x3) & of(x3,x4) & n_orange(x4) & n_worker(x1) & of(x1,x2) & n_factory(x2))
exists p1 s1 x1 x2 x3.(exists x4.(in(x1,x4) & n_factory(x4)) & in(x1,x2) & n_hat(x2) & a_hard(s1) & Theme(s1,x2) & of(x2,x3) & n_orange(x3) & n_man(x1))