wrongEntry: An object that defines the response when a participant makes a wrong entry in the survey. mediaType: Specifies the type of media used for the response. In this case, it is set to "TTS", which stands for Text-To-Speech. content: The content of the message that will be converted to speech in the event of a wrong entry. Here, the message is "I was right".

welcomeMessage: An object representing the initial message displayed to participants when they start the survey. content: The text of the welcome message. In this example, it is "I was right". URL: The URL of the welcome message to play it. In this example, it is "https://www.ald".