Your question is Depth Estimation from a Single Image. 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).
How would you approach estimating depth from a single image?
Asked in the ML modeling design stage. CV modeling round. Reported follow-ups: go deeper on the nuances and trade-offs in your modeling idea.