var classify= ["Coke", "drumstick", "hamburger"];

data = data.Where (s = > s.Secretfylegs = "Coke" | | s.Secretfylegs = "chicken leg" | | s.Secretfylegs = "hamburger");

as above, how to filter an array with the values of Lambda. If you don"t know what the array contains, you need to traverse and filter things that contain these values