5. The natural language processing system according to claim 1, which further comprises extraction means for extracting specific data from the natural language information inputted from said input means, on the basis of a result of an analysis made by said analysis means.
5. The natural language processing system according to claim 1, which further comprises extraction means for extracting specific data from the natural language information inputted from said input means, on the basis of a result of an analysis made by said analysis means. 6. The natural language processing system according to claim 5, wherein the information represents the contents of a document of a specific domain, wherein said knowledge base has knowledge of the specific domain, and wherein said extraction means refers to the knowledge of the specific domain stored in said knowledge base and extracts specific data.