But how to identify proper nouns? Words like "OnePlus 7T" are brand names, so those stay. Also, terms like "unlock code" are part of the title, but the user wants to skip proper nouns. Hmm, maybe "unlock code" isn't a proper noun. Wait, maybe it's a common noun. Need to be careful here.
Also, the user might want the spintax to be applied to each word to generate variations. Let me proceed step by step, taking each sentence and processing each word. Let's take the first part: oneplus 7t unlock code
"Q: Can I use an unlock code to unlock multiple devices?" – "multiple" several; "unlock...unlock" free; "devices" phones But how to identify proper nouns
Original: "Research and select a reputable unlocking service, such as DoctorSIM or UnlockBase." so those stay. Also