The goodness of a wordmatch depends on the following factors: (1) level of synonymy -the number of synonyms the words have in common (according to WordNet, Miller et al., 1990); (2) position in sentence; and (3) partof-speech (PoS) -obtained using MINIPAR (Lin, 1998).
we approximate Pr   Our system generates candidate interpretations for an argument by first postulating propositions that match the sentences in the argument, and then finding different ways to connect these propositionseach variant is a candidate interpretation.