Task
Fill out a Lean Canvas for a new business idea: {Idea}.

Context
Target Market: {Market}. Problem: {Problem}. Solution: {Solution}.

Requirements
Define the unique value proposition and unfair advantage. List customer segments and early adopters. Identify revenue streams and cost structure. Outline key metrics to measure success.

Output Format
Problem & Solution
Value Proposition
Customer Segments
Revenue & Costs
Key Metrics

Notes
Focus on the most critical assumptions. Keep it concise (bullet points).