Data Warehouse & Data mining

Must be output by WEKA and need a screenshot of the output. I would like the screenshot of what is done by weka for the output.

a$)$ Create a table sales with

$15$records and $7$attributes using WEKA. Remove the "ADD" preprocessing technique and display the table.

b$)$ Create an employee table with

$10$records and $8$attributes$.$ Apply the knowledge flow option and show the relation between the data in pictorial form.