$1.(1$ mark$)$ What are the key software requirements for developing an NLP$-$based healthcare system? $($Approximately $150-200$ words$)$ Consider the functional and non$-$functional requirements, such as accuracy, security, privacy, and user$-$friendliness. $$ Align these requirements with the specific needs of healthcare professionals and patients. $2.(1$ mark$)$ What are the key design principles that should be considered when developing an NLP$-$based healthcare system? $($Approximately $150-200$ words$)$ Discuss principles such as modularity, abstraction$,$ and reusability. $$ Explain how these principles can contribute to the maintainability, scalability, and reliability of the system. $3.(1$ mark$)$ How would you estimate the cost of developing an NLP$-$based healthcare system $($Unit III: $)($Approximately $150-200$ words$)$ Consider factors such as development effort, hardware and software resources, and ongoing maintenance costs. $$ Explore different cost estimation models, such as COCOMO, and explain their advantages and limitations$.4.(1$ mark$)$ What are the potential risks associated with developing an NLP$-$based healthcare system? How would you mitigate these risks? $($Approximately $150-200$ words$)$ Discuss risks related to data quality, model accuracy, and system integration. $$ Propose risk mitigation strategies, such as thorough data cleaning, rigorous model testing, and phased deployment. $5.(1$ mark$)$ What are some of the quality assurance measures that should be implemented for an NLP$-$based healthcare system? $($Approximately $150-200$ words$)$ Discuss quality assurance activities such as unit testing, integration testing, and system testing. $$ Explain how these activities can ensure the reliability, performance, and security of the system.