code: func WrapLexemeSentence(sentence lingo.LexemeSentence) lingo.LexemeSentence {
  	retSentence := lingo.NewLexemeSentence()
  	retSentence = append(retSentence, lingo.StartLexeme())
  	retSentence = append(retSentence, sentence...)
  	retSentence = append(retSentence, lingo.RootLexeme())
  	return retSentence
  }
docs: /* UTILITY FUNCTIONS */