Barefoot grain workers sift grain on colored tarp.
The people have shoes
The workers don't have shoes, they are barefoot.
exists e2 e1 x1 x2 x3 x4 x5.(on(e1,x5) & n_tarp(x5) & Theme(e2,x5) & v_color(e2) & Theme(e1,x4) & Actor(e1,x1) & v_sift(e1) & n_grain(x4) & n_worker(x1) & of(x1,x3) & n_grain(x3) & (x1 = x2) & ne_nam_barefoot(x2))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_shoe(x2))