You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows Communication Foundation (WCF) Data Services service. You add the following code segment. (Line numbers are…

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows Communication Foundation (WCF) Data Services service. You add the following code segment. (Line numbers are included for reference only.) 02 var ctx = new NorthwindEntities(uri); 03 var categories = from c in ctx.Categories select c; 04 foreach (var category in categories) { 05 PrintCategory(category); 06 ... 07 foreach (var product in category.Products) { 08 ... 09 PrintProduct(product); 10 } 11 } You need to ensure that the Product data for each Category object is lazy-loaded. What should you do?