A man with reflective safety clothes and ear protection drives a John Deere tractor on a road.
A man mowing his  yard.
Because he is driving a tractor does not mean he is mowing his lawn.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,x8) & n_road(x8) & Theme(e1,x5) & Actor(e1,x1) & v_drive(e1) & n_tractor(x5) & (x5 = x7) & ne_org_deere(x7) & (x5 = x6) & ne_org_john(x6) & with(x1,x2) & n_protection(x2) & a_ear(s2) & Theme(s2,x2) & of(x2,x4) & n_clothes(x4) & of(x2,x3) & n_safety(x3) & a_reflective(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_mow(e1) & n_yard(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))