... object, and verbs. The subject is a noun phrase that describes a human and refers to a person 213 named SuTanne, the object a language, Spanish. The semantic structure concerns the capability of ... abstraction hierarchy, in which the category SPgZCH-ACT abstracts all speech act types. Slot names and filler types also are defined by the abstraction hierarchy, but a given rule need not ... rules. For now, assume that the utterance is completely parsed and semantically interpreted, unambiguously, like the sentence "can you speak Spanish?" as it appeared in Sect. 2.1....