[Edgeworth, at this point, is not surprised to see (and hear) her and remembers the talking pony all too well.

...oh. OHHHHHH. He wouldn't be surprised if there were no prosecutors where this little filly came from. So he tries his best to explain.]

A public prosecutor is someone who gathers information regarding a crime, and builds a case to prove the guilt of the acc - the one who is believed to have committed the crime - in the hopes of discovering the truth, and making sure those who did wrong are penalized accordingly.

[That's enough, isn't it?]