Your question is Group Research Tool Names. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Suppose you have a list of programming languages and research tools collected from project notes, but the same tool may appear with different capitalization or word order. How would you normalize and group equivalent names, and what data structures would you use?