   if (word.PronunciationAssessment.AccuracyScore < 60 && word.PronunciationAssessment.ErrorType == "None") {
                    word.PronunciationAssessment.ErrorType = "Mispronunciation";
                }
            });

            const accuracyScores = [];
            const handledLastWords = [];
            let validWordCount = 0;
            _.forEach(lastWords, (word) => {
                if (word && word.PronunciationAssessment.ErrorType != "Insertion") {
                    accuracyScores.push(