Question: "Okuvaryum" is an education application designed to enhance students' reading skills by providing a platform for teachers to upload books. The application allows students to read, listen, and submit voice recordings for the assigned books. Each activity $($reading$,$ listening, and recording have a score. Let say reading and listening $+10,$ recording $+30.$ So$,$ teachers can evaluate easily student progress by their performances on reading and listening scores and voice records. In addition, you can find some user needs about the system below;

$-$Teachers should be able to easily upload and assign books for students.

$-$The app should support various formats for content, including text, audio, and possibly multimedia elements.

Students must have a user$-$friendly interface to read assigned books within the app $($solutions of images, ease of app design for user and font and font size$).$

$-$The app must include a feature allowing students to listen to narrated versions of the assigned books.

$-$Students should be able to record their voices while reading and submit these recordings.

$-$Recording time can be limited only by teachers.

$-$The app must track and display students' reading progress, including time spent on each book.

$-$Provide a system for teachers to provide feedback on students' submitted voice recordings and reading progress.

$-$Ensure the app is accessible and functions well on various devices such as smartphones, tablets, and computers.

$-$The app ensures that teachers and students can engage in the learning process without revealing any content from the system $($generating copies of the books must not be allowed to the teachers and students$).$

Write down $25$ functional requirement, $15$ non$-$functional requirement statement for the system.