给定一篇英文文章和一个主题，要求将文章中与该主题相关的句子提取出来。
英文文章: During the recent heatwave, many people suffered from heat exhaustion and dehydration. The government has issued advisories urging people to stay indoors and drink plenty of water. In addition, some cities have set up cooling centers to provide a respite from the heat.
主题: 热浪
与主题相关的句子有：

- During the recent heatwave, many people suffered from heat exhaustion and dehydration.
- The government has issued advisories urging people to stay indoors and drink plenty of water.
- In addition, some cities have set up cooling centers to provide a respite from the heat.