A person on a bicycle pulls a cart full of sticks.
A person in a truck hauls lumber.
The vehicle is either a truck or a bicycle.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_pull(e1) & of(s1,x5) & n_stick(x5) & Theme(s1,x4) & a_full(s1) & (x3 = x4) & n_cart(x3) & on(x1,x2) & n_bicycle(x2) & n_person(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_haul(e1) & n_lumber(x3) & in(x1,x2) & n_truck(x2) & n_person(x1))