The pejorative sense of DEI has probably poisoned the training data. You might be able to prompt around it, but the existing prompt is pretty lazy.

the dataset is poisoned with a definition you disagree with

Agreement or disagreement are irrelevant if you're asking the LLM for something more precise than generalized racial grievance labeled by the public as DEI.

Newsflash: the definition is amorphous to justify whatever people want.