      Calculates the Sentiment of given content.
      
      - parameter text:    a Text document
-     - parameter target:  a pharse to target analysis towards
+     - parameter target:  a phrase to target analysis towards
      - parameter failure: a function executed if the call fails
      - parameter success: a function executed with Sentiment information
      */

        failure: ((Error) -> Void)? = nil,
        success: @escaping (SAORelations) -> Void)
    {
        // construct query paramerters
        var queryParams = [URLQueryItem]()
        
        queryParams.append(URLQueryItem(name: "apikey", value: apiKey))

        // construct body
        let body = try? buildBody(document: html, html: true)
        
        // construct query parameters
        var queryParams = [URLQueryItem]()
        
        queryParams.append(URLQueryItem(name: "apikey", value: apiKey))
