Super fun++. A few observations without having looked at the code yet or tried more than the example you gave–

• It's very slow. I don't know if that's something that can be fixed.
• It could use a simple spacing and article clean up; e.g., s/white,red,yellow/white, red, or yellow/ and s/a owl/an owl/.
• The POD seems to have some boiler plate still.
• The output should really be done with methods instead of direct access to the object with dereferencing.
• I strongly encourage you to put the code on github to make collaboration easier.

I am absolutely going to put some of the output from this in front of kids. I appreciate you getting this up there!

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