Assistant: 
User: 
    Please analyze the following code file and determine whether it belongs to any of the provided modules based on the listed module descriptions.
    Note that the provided list of modules may not be exhaustive, and some files may not belong to any of the modules. 
    If the code belongs to a module, Only output the module name, without any explanation or additional information; otherwise, return 'None' if it does not belong to any module.

    Modules : {
        "UI": "Handles the front-end user interface, consisting of HTML, CSS, and JavaScript files generated by the Angular framework. It processes user requests and interacts with the server using AJAX for data retrieval and client-side interactions."
"Test Driver": "Facilitates automated regression testing and handles transmission of test data in JSON format. It performs Java testing using TestNG and JavaScript unit-testing with Jest. It also sets up a simulated web server for servlet-level tests and automates end-to-end testing using Selenium Java."
"Logic": "Manages the business logic of TEAMMATES, including handling relationships between entities, managing transactions, input value sanitization, access control rights, and interfacing with GAE-provided or third-party APIs."
"Storage": "Performs CRUD operations on data entities, validation of data, and abstraction of GQL queries, hiding the complexities of datastore from the Logic component."
"Common": "Contains utility classes, custom exceptions, and data transfer objects used across the entire application for easy consolidation and transfer of structured data."
"E2E": "Handles end-to-end testing and load & performance testing, providing helpers, abstractions of browser pages, and test cases for E2E tests and L&P tests."
"Client": "Contains scripts for administrative tasks, such as migrating data to a new schema and calculating statistics. This module connects directly to the application back-end for administrative purposes."
    }

    Code: package teammates.logic.core; /** * Handles operations related to students. * * @see StudentAttributes * @see StudentsDb */ public final class StudentsLogic { static final String ERROR_INVALID_TEAM_NAME = "Team \"%s\" is detected in both Section \"%s\" and Section \"%s\"."; static final String ERROR_INVALID_TEAM_NAME_INSTRUCTION = "Please use different team names in different sections."; static final String ERROR_ENROLL_EXCEED_SECTION_LIMIT = "You are trying enroll more than %s students in section \"%s\"."; static final String ERROR_ENROLL_EXCEED_SECTION_LIMIT_INSTRUCTION = "To avoid performance problems, please do not enroll more than %s students in a single section."; private static final StudentsLogic instance = new StudentsLogic(); private final StudentsDb studentsDb = StudentsDb.inst(); private FeedbackResponsesLogic frLogic; private FeedbackSessionsLogic fsLogic; private DeadlineExtensionsLogic deLogic; private StudentsLogic() { // prevent initialization } public static StudentsLogic inst() { return instance; } void initLogicDependencies() { frLogic = FeedbackResponsesLogic.inst(); fsLogic = FeedbackSessionsLogic.inst(); deLogic = DeadlineExtensionsLogic.inst(); } /** * Creates a student. * * @return the created student * @throws InvalidParametersException if the student is not valid * @throws EntityAlreadyExistsException if the student already exists in the database */ public StudentAttributes createStudent(StudentAttributes studentData) throws InvalidParametersException, EntityAlreadyExistsException { return studentsDb.createEntity(studentData); } /** * Gets a student by unique constraint courseId-email. */ public StudentAttributes getStudentForEmail(String courseId, String email) { return studentsDb.getStudentForEmail(courseId, email); } /** * Gets list of students by email. */ public List<StudentAttributes> getAllStudentsForEmail(String email) { return studentsDb.getAllStudentsForEmail(email); } /** * Gets a student by unique constraint courseId-googleId. */ public StudentAttributes getStudentForCourseIdAndGoogleId(String courseId, String googleId) { return studentsDb.getStudentForGoogleId(courseId, googleId); } /** * Gets a student by unique constraint registrationKey. */ public StudentAttributes getStudentForRegistrationKey(String registrationKey) { return studentsDb.getStudentForRegistrationKey(registrationKey); } /** * Gets all students associated with a googleId. */ public List<StudentAttributes> getStudentsForGoogleId(String googleId) { return studentsDb.getStudentsForGoogleId(googleId); } /** * Gets the total number of students of a course. */ public int getNumberOfStudentsForCourse(String courseId) { return studentsDb.getNumberOfStudentsForCourse(courseId); } /** * Gets all students of a course. */ public List<StudentAttributes> getStudentsForCourse(String courseId) { return studentsDb.getStudentsForCourse(courseId); } /** * Gets the first {@c
Assistant: