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.common.datatransfer.questions; /** * Contains specific structure and processing logic for MCQ feedback questions. */ public class FeedbackMcqQuestionDetails extends FeedbackQuestionDetails { static final String QUESTION_TYPE_NAME = "Multiple-choice (single answer) question"; static final int MCQ_MIN_NUM_OF_CHOICES = 2; static final String MCQ_ERROR_NOT_ENOUGH_CHOICES = "Too little choices for " + QUESTION_TYPE_NAME + ". Minimum number of options is: "; static final String MCQ_ERROR_INVALID_OPTION = " is not a valid option for the " + QUESTION_TYPE_NAME + "."; static final String MCQ_ERROR_INVALID_WEIGHT = "The weights for the choices of a " + QUESTION_TYPE_NAME + " must be valid non-negative numbers with precision up to 2 decimal places."; static final String MCQ_ERROR_EMPTY_MCQ_OPTION = "The MCQ options cannot be empty"; static final String MCQ_ERROR_OTHER_CONTENT_NOT_PROVIDED = "No text provided for other option"; static final String MCQ_ERROR_DUPLICATE_MCQ_OPTION = "The MCQ options cannot be duplicate"; private boolean hasAssignedWeights; private List<Double> mcqWeights; private double mcqOtherWeight; private List<String> mcqChoices; private boolean otherEnabled; private boolean questionDropdownEnabled; private FeedbackParticipantType generateOptionsFor; public FeedbackMcqQuestionDetails() { this(null); } public FeedbackMcqQuestionDetails(String questionText) { super(FeedbackQuestionType.MCQ, questionText); this.hasAssignedWeights = false; this.mcqWeights = new ArrayList<>(); this.mcqChoices = new ArrayList<>(); this.otherEnabled = false; this.questionDropdownEnabled = false; this.mcqOtherWeight = 0; this.generateOptionsFor = FeedbackParticipantType.NONE; } @Override public boolean shouldChangesRequireResponseDeletion(FeedbackQuestionDetails newDetails) { FeedbackMcqQuestionDetails newMcqDetails = (FeedbackMcqQuestionDetails) newDetails; if (this.mcqChoices.size() != newMcqDetails.mcqChoices.size() || !this.mcqChoices.containsAll(newMcqDetails.mcqChoices) || !newMcqDetails.mcqChoices.containsAll(this.mcqChoices)) { return true; } if (this.generateOptionsFor != newMcqDetails.generateOptionsFor) { return true; } return this.otherEnabled != newMcqDetails.otherEnabled; } @Override public List<String> validateQuestionDetails() { List<String> errors = new ArrayList<>(); if (generateOptionsFor == FeedbackParticipantType.NONE) { if (mcqChoices.size() < MCQ_MIN_NUM_OF_CHOICES) { errors.add(MCQ_ERROR_NOT_ENOUGH_CHOICES + MCQ_MIN_NUM_OF_CHOICES + "."); } // If there are Empty Mcq options entered trigger this error boolean isEmptyMcqOptionEntered = mcqChoices.stream().anyMatch(mcqText -> "".equals(mcqText.trim())); if (isEmptyMcqOptionEntered) { errors.add(MCQ_ERROR_EMPTY_MCQ_OPTION); } // If weights are enabled, number of choices and weights should be same. // If user enters an invalid weight for a valid choice, // the mcqChoices.size() will be greate
Assistant: