Sanitation workers in orange clean up a street.
The workers are wearing vests
It cannot be inferred that the workers are wearing vest. It is only known that they are wearing the color yellow.
exists e1 s1 x1 x2 x3 x4.(a_up(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x1) & v_clean(e1) & n_street(x4) & in(x1,x3) & n_orange(x3) & n_worker(x1) & (x1 = x2) & ne_nam_sanitation(x2))
exists e1 x1 x2.(n_worker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2))