Which of the approaches given in the text would you use to arrive at system scenarios for the following cases: 1. A customer recounts, “During the last version implementation, I had difficulty in...

Which of the approaches given in the text would you use to arrive at system scenarios for the following cases: 1. A customer recounts, “During the last version implementation, I had difficulty in migrating data from the previous version -it failed while backing up data for the customer master and while adding extra columns for the discounts table.” 2. A product is being deployed in the FMCG industry and in the retail sales industry and should be customizable to each. 3. A test engineer performs unit testing, updates the defect repositories, sends emails to the components owners, chats with them and updates his log.