public override QuestionAnswer Deserialize(string serializeData)
        {
            if (string.IsNullOrWhiteSpace(serializeData))
            {
                return(null);
            }

            var options = JsonUtility.JsonDeserialize <List <AnswerChoiceOption> >(serializeData);

            var answer = new SingleChoiceAnswer();

            answer.PushRange(options);

            return(answer);
        }