A construction worker bulldozes dirt clear.
Dirt is being pushed by a machine.
By definition one bulldozes by having dirt pushed.
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_clear(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_dirt(e1) & n_bulldoze(x1) & of(x1,x3) & n_worker(x3) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2.(ne_nam_dirt(x1) & Actor(e1,x2) & n_machine(x2) & Theme(e1,x1) & v_push(e1))