SRL for [assigns]: It also owns Moody 's Investors Service , which [assigns] credit - ratings to bonds and preferred stock ; A.C. Nielsen , known for its data on television - viewing patterns , and Yellow - pages publisher Donnelley .
ARG-0: Moody 's Investors Service | R-ARG-0: which | ARG-1: credit - ratings | ARG-2: to bonds and preferred stock