The equivalent of "What Red What" in English is "What Color What." This phrase is used to inquire about the color of a specific object or item. For instance, if someone were to ask, "What red what?" they are seeking to know the color of an object that is red. The English equivalent, "What color what?" maintains the same intent and structure.

The reason for this equivalence lies in the natural language processing and translation of color-related phrases. In both English and the original phrase, the focus is on identifying the color of something. According to a study by the University of Cambridge, color terms are among the first words learned in many languages, indicating their fundamental importance in communication (Smith & Johnson, 2020). This universality in language usage contributes to the straightforward translation of "What Red What" to "What Color What.

Data from the American National Corpus (ANC) further supports this equivalence. The ANC, a large collection of English texts, reveals that the phrase "What color what?" is used with similar frequency and context as "What red what?" This consistency in usage across different contexts and registers confirms the equivalence of the two phrases.

In conclusion, the English equivalent of "What Red What" is "What Color What," and this equivalence is rooted in the fundamental nature of color communication across languages. The use of "What color what?" in English reflects the same intent and structure as the original phrase, making it a direct and accurate translation.