Your question is Assess City-Level Feature Fit. 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).
You're working on a mobility product that is considering a new feature launch in one city before expanding further. The team wants to know whether strong usage in that city would actually mean the feature has real product-market fit, or just early curiosity from a narrow group of users.
How would you assess whether a new feature has product-market fit in a specific city?