Also, proper nouns like "Osclass Documentation" and "Osclass Community Forum" should stay as they are.
Let me go step by step. First point: "Cost-effective" can be Budget-friendly. Then the next part: "Free themes are, well, free!" The word "free" is a proper term here? Wait, "Free Osclass themes" is a proper noun? Or is "Free" just an adjective? Hmm. The user said no changes to proper nouns. "Free Osclass Themes" is the title. The rest of the text uses "Free Osclass themes" as a category. So maybe "Free" here is not a proper noun. Wait, but the user wants to switch terms with three variants. So in the sentence "Free themes are, well, free!", both instances of "Free" and "free" can be replaced. But the user might want to replace the descriptors. Let me check the original instruction again: "switch every term with 3 variants in format opt2." So every term, except proper nouns, should have three variants. So, "Cost-effective" becomes Budget-conscious. Wait, the user might want three options each. Let me think of alternatives. Osclass Theme Free Download
2. For non-proper nouns, generate three synonyms or similar words that can fit into the sentence structure. For example, "Free" can become Free, "Download" might be Download if no good synonyms are found, or Access. Also, proper nouns like "Osclass Documentation" and "Osclass
Next sentence: "With a wide range of free themes available for download..." "Wide range" → broad selection "Free" → no-cost Then the next part: "Free themes are, well, free