If you want a brute-force solution, one approach would be to first create an engine that solves the reverse problem. That is, given the set of facts, create a routine that generates examples of the type of input that you would like to be able to handle.

If you create an exhaustive list of all the possible inputs, this list could be used as a lookup table to map your desired input back to the output.

Since the list of inputs is so large, you'll want to find ways to remove the redundancies in the list. You can think of the various AI techniques as being clever ways to make the length of the list smaller by using perl code.

Take a look at all the Lingua modules, such as Lingua::Stem. Some of these modules are quite inspiring!

There is nothing wrong with working on a 'grand challenge' type of problem, even if you are an amateur. I have worked on some of these challenges. When I get something working reasonably well, people say something like, "Oh, of course, if that's all you want, it is easy. The really hard part is..."