The 3 best matches (of 25 total hits) were returned from the index for the query "Tell me about the release of Chinese political dissident Wu". Only the words "release Chinese political dissident Wu" were actually used for the retrieval, the other words were filtered out as function words.
The current database contains about 40 hours of news programs from 4 TV network sources (CNN, ABC, CBS and NBC) and 1 radio news source (NPR), and about 1500 text stories for AP and Reuters wire services. In this case the three matches represent different news stories from three different sources.
The first match icon, a book, indicates the source is text from the wire services.