According to the textbook context: (i) Newspaper contains textual contents and graphics which do not follow a specific format, making it unstructured data (similar to text documents mentioned in examples). (ii) Cricket Match Score follows a strict record structure organised in row/column format, making it structured data (similar to attendance records and sales transactions). (iii) HTML Page is explicitly listed as an example of semi-structured data in the context, as it has internal tags or markings to separate data elements. (iv) Patient records in a hospital follow a pre-specified tabular format with strict record structure, making them structured data (similar to attendance data maintained by schools).