So the full conversion would include all these. The user's example in the task shows converting the textbook sentence. Let me start over with the entire text provided.
- How → Which - can → may - I → he - download → fetch - ? : → skip punctuation, perhaps. The user's example shows "textbook" as textbook, so punctuation is probably omitted. nakama 2 3rd edition pdf
Possible terms here: "computer or mobile device" could be replaced with variants like computer or mobile, but maybe better to keep the structure. Wait, the user wants to replace each term with three variants. So each term in the original text should be replaced with v1. So the full conversion would include all these
So now, let's process each word in the entire text, converting each (excluding proper nouns) into opt2 format. - How → Which - can → may