However with their examples you don't need to write a script, you can solve them that way but you really don't need to for these examples. This is some basic search refinement skills (Outlook would even help you build this unlike say a Google search with refinement filters) and either a small spreadsheet or a calculator app to max out at their level 3.

Scripting this I would put at a level 4, but I would be interested where the authors of the paper would fit that in as its their research and what sort of percentage would fit into that skill set.