“…The analysis of cosponsorship decisions has been widely studied by experts of political science, e.g., [8,27,31]. Research on cosponsorship often focuses on three aspects: the agenda-setting dynamics of bill introductions and cosponsorship [21,24], how cosponsorship a ects bill passage [6,12,41,49,51], and alliances between legislators [4,5,15,22,23,28]. Despite political science research directly linking cosponsorship to the texts of bills and speeches in congress, cosponsorship has so far received little to no attention from the NLP community.…”