How would you invest for an 87 and 92-year-old who don't need to draw from their portfolio?

{"summary": "Author recommends a 50% cash / 30% BND / 20% US broad market allocation for elderly investors facing potential memory care costs of $25k/month.", "reason": "The author provides a specific asset allocation strategy based on the fundamental risk of high-cost memory care expenses.", "ideas": [{"symbol": "BND", "direction": "long", "thesis": "Author recommends 30% BND as part of a conservative allocation for elderly investors, citing memory care costs of $25k/month in California as the key risk. The mechanism is intermediate bond exposure for stability while keeping 50% in cash to avoid selling in a down market. Main risk is being caught in a down market when care costs begin.", "thesis_short": "30% BND in conservative elderly allocation", "quote": "I would keep it simple and do something like 50% cash, 30% intermediate bond (BND) and 20% US broad market (either SP 500 fund or total US market).", "confidence": 0.65, "sentiment": 0.4, "timeframe": "unspecified"}, {"symbol": "SPY", "direction": "long", "thesis": "Author recommends 20% in a US broad market fund (S&P 500 or total US market) for elderly investors, with the rest in cash and bonds. The mechanism is limited equity growth exposure while preserving liquidity for potential $25k/month memory care costs. Main risk is a down market coinciding with the start of care payments.", "thesis_short": "20% US broad market in conservative allocation", "quote": "20% US broad market (either SP 500 fund or total US market)", "confidence": 0.6, "sentiment": 0.4, "timeframe": "unspecified"}], "model": "gemini-3.1-flash-lite", "failure_count": 0, "verified": true, "extraction_model": "deepseek-flash"}