 A fundamental problem with these accounts is that they do not specify in more detail what “possible answers” are supposed to be. Of course, they do provide a compositional semantics for a fragment of English, and thereby specify what they take to be the possible answers to the questions in that fragment. But in order for these theories to be evaluated, we first need to know what the notion of a “possible answer” is intended to capture. To illustrate this point, consider the following example: