for (int e : ids) {
String eTerm = rhs[e];
if (docLangTokenizer.isStemmedStopWord(eTerm)) continue;
if (scfgDist.containsKey(fTerm)) {
HMapSFW eToken2Prob = scfgDist.get(fTerm);
if(eToken2Prob.containsKey(eTerm)) {
eToken2Prob.increment(eTerm, prob);
}else {
eToken2Prob.put(eTerm, prob);
}
}else {