Use .NET Core 8.
This project contains only extension methods related to NLP (Natural Language Processing).
Each file should use partial class NlpExtensions.
Each file should have single .net extension method.
Each filename should be the name of the method it contains.
Use the `this` keyword for the first parameter to make it an extension method.
Add XML documentation comments for the method, describing its purpose, parameters, and return value.
All files should be defined in root directory.
c#
powershell
