When creating a rule you'll see the options to apply it on up to 5 nominated selections, however by default the Guardian market list only contains columns for 'Automation Nominated Selection 1' and 'Automation Nominated Selection 2'
To add the additional columns you will need to follow these steps
1) Click on the 'List' tab
2) Click the column chooser icon
3) Tick the additional 'Automation Nominated Selection; columns you wish to display and use
Remember to save the layout once you've made the changes by clicking the 'Disc' icon, or to save it as a new layout profile click the 'Disc+' icon