Amazon Comprehend uses machine learning to analyse text, developing the insights it needs to integrate natural language processing into your applications. This tutorial will give you an introduction to keyphrase extraction, sentiment analysis, entity recognition, topic modeling & language detection APIs so that you can get started with Amazon Comprehend. When you sign up for an AWS Free Tier Account, you can try it out for no additional charge! https://go.aws/2CFjbvX | Amazon Web Services