1. An apparatus comprising: an input that receives indicia of a grammar; an output that provides a recognition parameter associated with said grammar; a processor coupled to said input and to said output and a computer-readable medium including computer executable instructions that, when executed by said processor, cause said processor to: analyze said grammar to determine a perplexity and word length associated with said grammar; determine a category of said grammar based on said perplexity and word length; determine said recognition parameter based on said category; and provide indicia of said recognition parameter to said output.