if(trfName.equalsIgnoreCase("ArabicTreeReaderFactory")) {
return new ArabicTreeReaderFactory();
} else if(trfName.equalsIgnoreCase("ArabicTreeReaderFactory.ArabicRawTreeReaderFactory")) {
return new ArabicTreeReaderFactory.ArabicRawTreeReaderFactory();
} else if(trfName.equalsIgnoreCase("CTBTreeReaderFactory")) {
return new CTBTreeReaderFactory();
} else if(trfName.equalsIgnoreCase("NoEmptiesCTBTreeReaderFactory")) {
return new NoEmptiesCTBTreeReaderFactory();
} else if(trfName.equalsIgnoreCase("Basic categories only (LabeledScoredTreeReaderFactory)")) {
return new LabeledScoredTreeReaderFactory();
} else if(trfName.equalsIgnoreCase("FrenchTreeReaderFactory")) {