using System;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        var jsonString = "{'apple':{'title':'apple','color':'red'},'banana':{'title':'banana','color':'yellow'}}";

        dynamic d = JObject.Parse(jsonString);

        foreach (dynamic e in d)

        {

            Console.WriteLine(e.Value.title);

        }

    }

}