The workers prepare the large tube for hauling.
The large tube has reached its final destination in trasport and is being unloaded.
Either the large tube is being prepared for hauling or is being unloaded.
exists e1 s1 x1 x2 x3.(n_tube(x2) & a_large(s1) & Theme(s1,x2) & n_worker(x1) & for(e1,x3) & n_hauling(x3) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1))
exists e2 e1 s1 s2 s3 x1 x2 x3.(n_tube(x1) & a_large(s3) & Theme(s3,x1) & n_destination(x2) & a_final(s2) & Theme(s2,x2) & of(x2,x1) & n_thing(x1) & a_large(s1) & Theme(s1,x1) & Theme(e2,x1) & v_unload(e2) & Theme(e1,x2) & Actor(e1,x1) & v_reach(e1) & in(x2,x3) & n_trasport(x3))