XML VALIDATION | Need Code and Output Both

Create an XML document with the following Root Element : real-estate sub-elements for real-estate : agencies, owners, properties and flats sub-elements contains the attributes (Specify appropriate attributes of your own with datatypes) Agency = name, e-mail, phone Owner = name Property = name, description, number of flats, features, owner reference Flat = name, description, features, property reference  Ensure well-formedness, Ensure its validity by checking with DTD and XML Schema  Use XSL to apply the style with the HTML template for the elements : Owner & Property Address only  Use attributes for references, otherwise elements  Use only CDATA and #PCDATA for content and values Upload the XML,DTD , XMLSchema, and XSL HTML template files as PDF in Vtop with the screenshot of validation .