private boolean argumentCountDiffer(List<List<Word>> argumentWords) {
        int numberOfArguments = argumentWords.get(0).size();

        for (int i = 1; i < argumentWords.size(); i++) {
            if (argumentWords.get(i).size() != numberOfArguments) {
                return true;
            }
        }
        return false;
    }
Returns a list with argument words that are not equal in all cases.
jgiven-core/src/main/java/com/tngtech/jgiven/report/analysis/CaseArgumentAnalyser.java