Question: Link richness is the quality, possessed by some websites, of having many hyperlinks, classified advertising sites like Craigslist, of which nationality?
Sentence (from "Murder of Katherine Ann Olson"): Because Anderson met Olson through Craigslist, a popular classified advertising website, the media dubbed him a Craigslist Killer, a generic term for murderers who find victims by placing or responding to ads in Craigslist.
Relevant evidence: No