Natural Language Classifier returns the best matching classes for a sentence or phrase. For example, you submit a question and it returns keys to the best matching answers or next actions for your app.Natural Language Classifier returns the best matching classes for a sentence or phrase. For example, you submit a question and it returns keys to the best matching answers or next actions for your app.Natural Language Classifier returns the best matching classes for a sentence or phrase. For example, you submit a question and it returns keys to the best matching answers or next actions for your app.Natural Language Classifier returns the best matching classes for a sentence or phrase. For example, you submit a question and it returns keys to the best matching answers or next actions for your app.