Finally, verify that all brand names are intact and that the structure of the original text is preserved. The user probably wants the output to be a direct modification of their input text with the spintax applied where appropriate.
First, I need to identify all the words in the provided text that can be replaced. Proper nouns like "Pokémon X and Y," "GBA," "3DS," "Emerald," "Fire Red," and game titles like "Pokémon Emerald Randomizer" should stay as they are. Pokemon X Y GBA -Pokemon Emerald Fire Red Hac...
This is a bit tricky. The user might want synonyms that include the brand names but also some generic terms. However, for the instruction, they said "Keep brand names", so maybe the brand names should remain as-is, while other terms are replaced. Wait, the example shows that they replaced "mGBA" with mGBA virtual. So actually, the brand name is kept, but additional terms are added. So perhaps the brand name can be included in the synonyms, but with some descriptors. So, the user wants the original term (which might be a brand name) included as a synonym, and two other synonyms with some variations. Finally, verify that all brand names are intact