A man hauling dirt and sand in a backhoe.
The back hoe is on a flat bed truck moving down the highway.
One cannot be hauling dirt and sand in a backhoe and it be on a flatbed truck simultaneously.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & n_backhoe(x6) & Theme(e1,x3) & Actor(e1,x2) & v_haul(e1) & n_sand(x5) & n_dirt(x4) & subset_of(x5,x3) & subset_of(x4,x3) & (x1 = x2) & n_man(x1))
exists p1 s1 x1 x5.(n_highway(x5) & n_hoe(x1) & a_back(s1) & Theme(s1,x1) & exists e1 s2 x2 x3 x4.(on(x1,x2) & down(e1,x5) & Actor(e1,x4) & v_move(e1) & (x2 = x4) & n_truck(x2) & of(x2,x3) & n_bed(x3) & a_flat(s2) & Theme(s2,x2)))