five largest public library systems
... that the five largest public library systems in the United States are in Boston, New York, Cincinnati, Los Angeles, and Detroit?
... that the <b id="mwA6o"><a class="mw-redirect" href="./List_of_the_largest_libraries_in_the_United_States" id="mwA6s" rel="mw:WikiLink" title="List of the largest libraries in the United States">five largest public library systems</a></b> in the United States are in <a href="./Boston_Public_Library" id="mwA6w" rel="mw:WikiLink" title="Boston Public Library">Boston</a>, <a href="./New_York_Public_Library" id="mwA60" rel="mw:WikiLink" title="New York Public Library">New York</a>, <a class="mw-redirect" href="./Public_Library_of_Cincinnati_and_Hamilton_County" id="mwA64" rel="mw:WikiLink" title="Public Library of Cincinnati and Hamilton County">Cincinnati</a>, <a class="mw-redirect" href="./County_of_Los_Angeles_Public_Library" id="mwA68" rel="mw:WikiLink" title="County of Los Angeles Public Library">Los Angeles</a>, and <a href="./Detroit_Public_Library" id="mwA7A" rel="mw:WikiLink" title="Detroit Public Library">Detroit</a>?