Your question is Breaking Down a Vague Problem. 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).
Tell me about a time you were handed a vague business problem with little structure or incomplete requirements. How did you break it down step by step, gather the right inputs, and turn it into a clear plan the team could execute against?