Which Azure Cognitive Service can be used to analyze and understand natural language text?

Text Analytics enables you to perform text mining and text analysis with Natural Language Processing features.

The Azure Cognitive Service that can be used to analyze and understand natural language text is option b) Text Analytics.

Text Analytics is a powerful Azure Cognitive Service that can analyze and understand natural language text. It provides various features like sentiment analysis, key phrase extraction, language detection, and entity recognition to help developers understand and process large volumes of text data.