number: 24, address information of the student.
Information:Address,
                 housenumber="120",
                  streetname="xxx". 
number: 25, address information of the student.
Information:Address,
                 housenumber="150",
                  streetname="xxx". 
number: 27, address information of the student.
Information:Address,
                 housenumber="140",
                  streetname="xxx".