The Penn Discourse Treebank Project is an NSF funded project, supported by NSF grants: IIS-14-22186 (2014-2017) IIS-14-21067 (2014-2017) CNS-10-59353 (2011-2013) IIS-07-05671 (2007-2012) CNS-02-24417 (2002-2006) The PDTB 3.0 corpus was released on March 15, 2019 through the Linguistic Data Consortium. N.B. The corpus was updated on February 4, 2020, to include the final versions of two files of to