code: func WithLemmatizer(l lingo.Lemmatizer) ConsOpt {
  	fn := func(p *Tagger) {
  		p.Lemmatizer = l
  	}
  	return fn
  }
docs: // WithLemmatizer creates a *Tagger with a lemmatizer.
  // If no lemmatizer is passed into the POSTagger, then the lemmatization process will be skipped, and the POSTagger will be less accurate