Sample dataset files for Test classification, Sentence similarity, Question Answering, Named Entity Recognition do not exist.

[chanmmn]

Is your feature request related to a problem? Please describe.
The web page https://learn.microsoft.com/en-us/dotnet/machine-learning/automate-training-with-model-builder#data does not consist of the sample dataset files for Test classification, Sentence similarity, Question Answering, Named Entity Recognition of ML.NET. Can the team help to put the sample files for users to download?

Describe the solution you'd like
Add the sample files for Test classification, Sentence similarity, Question Answering, Named Entity Recognition.

Describe alternatives you've considered
Give a link to other sites that consist of the sample files or how to create the sample files.

Additional context