Instance inst = new Instance(features.indices());
String pos = state.getLeftPos();
int lpos = postagAlphabet.lookupIndex(pos);
if(lpos==-1)
throw new UnsupportedDataTypeException("不支持词性:"+pos);
LabelAlphabet actionList = factory.buildLabelAlphabet(pos);
Predict<Integer> ret = models[lpos].classify(inst, actionList.size());
Object[] guess = ret.labels;