]> G eyefloss 2005.12.26 cluster0 Why did you go to Boston? cluster1 The car. cluster2 Why did you go to Boston? cluster3 Because the car. head0 _ _ o0 / ~ / thorax0 thorax head0->thorax0 boston0 Boston head0->boston0 go car1 car head0->car1 boston1 Boston car1->boston1 go head2 _ _ o0 / ~ / car1->head2 boston2 Boston head2->boston2 go head3 _ _ o0 / ~ / head2->head3 head3->head0 thorax3 thorax head3->thorax3 car3 car head3->car3 because extremity30 extremity[0] thorax3->extremity30 extremity31 extremity[1] thorax3->extremity31 boston3 Boston car3->boston3 go