I should check for any other proper nouns. The phrase "La Arquitectura de la Felicidad" is a book title, so that stays. Also, terms like "espacios" might be replaced with synonyms like "ambientes|lugares|zonas," but need to ensure they fit contextually.
Wait, maybe I need to check if each word in the references is a proper noun. For example, "De Botton" is a proper noun, "A." is the author's name, but in the format, it's A. The book title is italicized or enclosed in quotes. But here, it's written as "La Arquitectura de la Felicidad." The words "La", "de", "la" are prepositions/articles, so they can be replaced. "Arquitectura" is part of the title, but maybe since it's in the title, even if it's a common noun, the title is a proper noun. The instruction says proper nouns stay. So the entire title is a proper noun. Therefore, all words in the title should stay. Wait, that's conflicting. For example, "La Arquitectura de la Felicidad" – "La", "de", "la" are not proper nouns. So the instruction says only proper nouns stay, so only "Botton", "Aguilar", "Florida" are proper nouns. So in the reference, the words that are part of the book title can be replaced. Hmm. Maybe the title is a proper noun, so all words in it are considered part of the title, hence proper nouns. So they stay. Let me check the instructions again: "Proper nouns stay. Only output text. replace each word with 3 options as word3." La Arquitectura De La Felicidad Pdf
Additionally, the user wants the text in Spanish, so I'll make sure the synonyms are correctly in Spanish. For example, "promover" can be "fomentar", "impulsar", "alentar". I should check for any other proper nouns