if (possiblePartiallyLexedMods == null)
if (possiblePartiallyLexedMods == null) { if (debug) System.err.println(className + ".futurePossible: simplified history " + "context " + parentHeadSideLookupList + " not seen in training");
  private boolean futurePossibleSimple(ModifierEvent modEvent, boolean side,                                   boolean debug) {    // first try simpleModNonterminalMap    parentHeadSideLookupList.set(0, modEvent.parent());    parentHeadSideLookupList.set(1, modEvent.head());    parentHeadSideLookupList.set(2, Constants.sideToSym(side));    Set possiblePartiallyLexedMods =      (Set)simpleModNonterminalMap.get(parentHeadSideLookupList);    if (possiblePartiallyLexedMods == null)      return false;    else {      partiallyLexedModLookupList.set(0, modEvent.modifier());      partiallyLexedModLookupList.set(1, modEvent.modHeadWord().tag());      return possiblePartiallyLexedMods.contains(partiallyLexedModLookupList);    }  }