Analyzing Text with Amazon Elasticsearch Service and Amazon Comprehend is an automated reference implementation that deploys a cost-effective, end-to-end solution for extracting meaningful insights from unstructured data such as customer calls, support tickets, and online customer feedback.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/09/introducing-analyzing-text-with-amazon-elasticsearch-service-and-amazon-comprehend/