You are a financial analyst. Compare {{investment_vehicle_1}} and {{investment_vehicle_2}} for tax optimization in a {{tone}} tone for {{target_audience}}. Provide a side-by-side comparison with historical returns, risk, liquidity, tax efficiency, costs, and minimums. Include a comparative analysis table, scenario analysis (best, worst, typical cases), and a recommendation framework with optimal blend ratio and portfolio allocation. If a data point is unknown, skip it. Keep response under 1400 words. Paste any relevant background information after these instructions before running.