  A final question which separates different versions of the presuppositional account is the issue of what determines whether the presupposition is satisfied or not on a particular occasion. According to Asher (2011), the lexicon encodes the type that each lexical item belongs to, and this in turn determines whether the relevant presupposition—a type presupposition on his view—is satisfied. This lexical approach, however, faces similar problems to those which we have seen with the meaninglessness view. The lexicon cannot predict that the following subject terms are of the wrong type in those contexts where the definite description or the demonstrative pick out the number two: