A man moves dirt using a large construction vehicle.
A man uses a construction vehicle to move dirt.
A man uses a construction vehicle to move dirt implies a man  using a large construction vehicle.
exists e1 e2 s1 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_use(e2) & n_vehicle(x3) & of(x3,x4) & n_construction(x4) & a_large(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_move(e1) & n_dirt(x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x1) & v_move(e2) & n_dirt(x5)) & Theme(e1,x3) & Actor(e1,x2) & v_use(e1) & n_vehicle(x3) & of(x3,x4) & n_construction(x4) & n_man(x2) & n_man(x1))