public Word(Symbol word, Symbol tag) { this.word = word; this.tag = tag;
public Word(Symbol word, Symbol tag, Symbol lemma, Symbol wnPos, Symbol synset) { this(word, tag); this.wnPos = wnPos; this.lemma = lemma; this.synset = synset;
  public Word(Symbol word, Symbol tag) {    this.word = word;    this.tag = tag;  }