for (String word : sentenceTokens) {
final List<AnalyzedToken> l = new ArrayList<>();
final String lowerWord = word.toLowerCase(plLocale);
taggerTokens = asAnalyzedTokenList(word, morfologik.lookup(word));
lowerTaggerTokens = asAnalyzedTokenList(word, morfologik.lookup(lowerWord));
final boolean isLowercase = word.equals(lowerWord);
//normal case
addTokens(taggerTokens, l);