I propose that the characteristics of the scope disamhiguation process observed in the literature can be explained in terms of the way in which the model of the situation described by a sentence is built. The model construction procedure I present builds an event structure by identifying the situations associated with the operators in the sentence and their mu- tual dependency relations, as well as the relations between these situations and other situations in the context. The pro- cedure takes into account lexical semantics and the result of various discourse interpretation procedures such as definite description interpretation, and does not require a complete disambiguation to take place. THE PROBLEM Because new ways of obtaining semantically distinct inter- pretations for sentences are ...

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