code: private boolean isPrevProbablyRelativePronoun(AnalyzedTokenReadings[] tokens, int i) {
      return i >= 3 &&
        tokens[i-1].getToken().equals("das") &&
        tokens[i-2].getToken().equals(",") &&
        tokens[i-3].matchesPosTagRegex("SUB:...:SIN:NEU");
    }
docs: ^^^^^^^