public int getHeadID() { checkHeadSet(); return headLexID; }
public String getHeadWord() { checkHeadSet(); return headLemma; }
public String toString(){ checkHeadSet(); if(toString == null) toString = toString(this); return toString; }
public int getHeadID() { checkHeadSet(); return headLexID; }
public String getHeadWord() { checkHeadSet(); return headLemma; }
public String toString(){ checkHeadSet(); if(toString == null) toString = toString(this); return toString; }