Just looking at the top result for Predictions through the Clarifai Apple SDK - Partial AppDelegate.Swift file.

AppDelegate.Swift

//
//  AppDelegate.swift
//  third
//
//  Created by Kunal Batra on 1/16/18.
//  Copyright © 2018 Kunal Batra. All rights reserved.
//

import UIKit
import Clarifai_Apple_SDK
import CoreData

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    var model: Model!

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        //Initialize with API Key
        Clarifai.sharedInstance().start(apiKey:"your_api_key_goes_here")
        
        // Create Image(s)
        let image = Image(url: URL(string: "https://englishlanguagethoughts.files.wordpress.com/2017/09/gr1.jpg"))
        self.model = Clarifai.sharedInstance().generalModel
        
        // Create Data Asset(s)
        // A Data Asset is a container for the asset in question, plus metadata
        // related to it
        let dataAsset = DataAsset.init(image: image)
        
        // Create Input(s) and Input(s) Array
        // An input object contains the data asset, temporal information, and
        // is a fundamental component to be used by models to train on or predict.
        let input = Input.init(dataAsset:dataAsset)
        let inputs = [input]
        
        /// Use the model you want to predict on. This can be a custom trained or one of our public models.
        self.model.predict(inputs, completionHandler: {(outputs: [Output]?,error: Error?) -> Void in
            // Iterate through outputs to learn about what has been predicted
            //NSLog(String([outputs].count))
            for output in outputs! {
                // Do something with your outputs
                
                //Just look at the first image in the input array
                for (img_index, concept) in output.dataAsset.concepts!.enumerated() {
                    //Do something with the top result
                    if img_index == 0 {
                    NSLog(concept.name)
                    }
                }
                
            }

        })
        // Override point for customization after application launch.
        
        return true
    }