What is the context of Ecclesiastes 9:15-16?

• Wisdom—Although Vulnerable—is Superior to Power (Ecclesiastes 9:13-16 true)
• Thoughts on Wisdom and Folly (Ecclesiastes 9:13-18 true)
• Wisdom Superior to Folly (Ecclesiastes 9:13-18 true)
• Wisdom Surpasses Foolishness (Ecclesiastes 9:13-18 true)
• Wisdom Better Than Folly (Ecclesiastes 9:11-18 true)
• The Limitations of Wisdom (Ecclesiastes 9:11-18 true)
• Whatever Your Hand Finds to Do (Ecclesiastes 9:10-18 true)