A back view of a man driving a tractor and signaling with two children as passengers at the back.
The man is walking by the tractor.
The man cannot be driving the tractor while walking by the tractor.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_back(x9) & n_back(x4) & at(e2,x9) & as(e2,x8) & n_passenger(x8) & with(e2,x7) & n_child(x7) & card_eq_2(x7) & Actor(e2,x5) & v_signal(e2) & of(x5,x6) & n_man(x6) & n_view(x5) & a_back(s2) & Theme(s2,x5) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_drive(e1) & n_tractor(x3) & of(x1,x2) & n_man(x2) & n_view(x1) & a_back(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_tractor(x2) & n_man(x1) & by(e1,x2) & Actor(e1,x1) & v_walk(e1))