Okay, let me tackle this user's request. They want me to switch every word with three synonyms, formatted as v2, while skipping proper nouns. The previous example they provided used a similar structure, so I need to follow that.

But wait, the original text is "The quick brown fox jumps over the lazy dog." So applying the replacements as per each word. Also, need to check if each word has three valid alternatives. Maybe "dog" can be "hound," "canine," "pooch."

Assuming that there was supposed to be text provided and there's just a formatting issue, I'll proceed by assuming a sample text. Let's say the text was something like "The quick brown fox jumps over the lazy dog." Now, I need to replace each word (except proper nouns) with three options.

Functional demonstrations: The manual incorporates plentiful practical samples to exhibit the usage of grammar principles.

"Ensure" can be replaced with Assure. "PDF" should stay as it's a proper noun. "Format" could be Structure. "Compatible" might be Functioning. Proceeding word by word, making sure each has three options. Also, check for any other proper nouns to skip, like "P.C. Das's English Grammar" when it appears.