tree.get(2).setHead(tree.get(1), DEPLibEn.DEP_DOBJ);
tree.get(3).setHead(tree.get(1), DEPLibEn.DEP_PREP);
tree.get(4).setHead(tree.get(3), DEPLibEn.DEP_POBJ);
tree.setDependents();
tree.initSHeads();
tree.get(1).addFeat(DEPLib.FEAT_PB, "tell.01");
tree.get(2).addSHead(tree.get(1), "A2");
tree.get(3).addSHead(tree.get(1), "A1");