Jorge L. Tamayo Edit. Trillas 15 A. Edicion 2021 Pdf Better

But the user example shows "15a Edición 2021 PDF - Una Guía Completa" in the first line. So each word in that title except "Edit. Trillas" and "PDF" should be replaced. Wait, but "Edit. Trillas" is a brand, so the rest: "15a Edición 2021 PDF" → "15a" (ordinal), "Edición", "2021", "PDF". "PDF" remains, others are replaced. So "15a" becomes 15ma, etc. (though "15a" is the ordinal in Spanish). Similarly, "2021" becomes 2021 but that's not meaningful. Maybe the user just wants three options regardless.

Therefore, in the initial text processing, split the text into words, ignoring punctuation, then replace each word except brand names. Punctuation is kept as-is. jorge l. tamayo edit. trillas 15 a. edicion 2021 pdf

Otherwise, replace with three alternatives in word1 format. But the user example shows "15a Edición 2021

Additionally, the year "2021" should remain as-is unless it's part of a brand name. Since it's a year, it's not a brand. So words like "2021" should be left untouched. Wait, but the instruction is to keep brand names and return the text only. So numbers and dates are not brand names, so they should be replaced? Wait, the instruction says "swap all words with 3 alternatives as word1. Keep brand names." So numbers and years are not brand names, so they need to be replaced. However, "2021" is a year, not a word. But the user might consider it part of the edition, so maybe the entire "15a Edición 2021" is considered a brand or part of the title. Wait, the user provided "Edit. Trillas 15a Edición 2021 PDF - Una Guía Completa" as the title. In there, "PDF" is a file format, which is a brand name. So "PDF" should stay. The rest "15a Edición 2021" can be split into individual words. "15a" is an ordinal number, "Edición" is the word to replace, "2021" is a year, "PDF" is a brand. Wait, but "Edit