给定一段文本，从中提取出人名、地名、组织机构名并展示出来。
以下是一段文本：“Bill Gates is the founder of Microsoft, which is headquartered in Redmond, Washington. Gates has also been involved in philanthropic work through the Bill and Melinda Gates Foundation.”
- 人名: Bill Gates, Melinda Gates
- 地名: Redmond, Washington
- 组织机构名: Microsoft, Bill and Melinda Gates Foundation