     public func createClassifier(
         withName name: String,
         fromPositiveExamples positiveExamples: [Class],
-        andNegativeExamples negativeExamples: URL? = nil,
+        fromNegativeExamples negativeExamples: URL? = nil,
         failure: ((Error) -> Void)? = nil,
         success: @escaping (Classifier) -> Void)
     {

 
     - parameter url: The URL of the image (.jpg, .png, or .gif). Redirects are followed, so it
            is safe to use with URL shorteners. The resolved URL is returned in the response.
     - parameter classifierIDs: A list of the ids for the classifiers to use. "default" is the id
            of the built-in classifier.
     - parameter owners: A list with IBM and/or "me" to specify which classifiers to run.
     - parameter showLowConfidence: If true, then the results will include lower-confidence classes.
     - parameter outputLanguage: The language of the output classifier (i.e. tag names). Can be
            "en" (English), "es" (Spanish), "ar" (Arabic), or "ja" (Japanese). Tags for which

     */
    public func classify(
        url: String,
        owners: [String]? = nil,
        classifierIDs: [String]? = nil,
        showLowConfidence: Bool? = nil,
        outputLanguage: String? = nil,
        failure: ((Error) -> Void)? = nil,
