var femaleHighGpaStudents = students.Where(s => s.IsFemale && s.Gpa > 3.0);
var popularAndExpensiveProducts = products.Where(p => p.IsPopular && p.Price > 100.0);In this example, `p => p.IsPopular` and `p.Price > 100.0` are the two conditions, and they are joined by the Filter And operator `&&`. Filter And is part of the LINQ library, which is included in the `System.Linq` namespace.