The text below is the list of RSS feed articles grouped by subject when possible and in order of decreasing number of sources
This means the top articles are the ones with the most sources.

Pick the article with the most source and only return the following data:
- New title
- New Description
- URL to the source articles

Do not include anything else but the title, the description and the URL to the source articles.
Do not format the output as it needs to be passed to another query.
Display the field names such as Title:  and Description:  and "Source URLs: "."