Answer: Amazon Comprehend

## Explanation Amazon Comprehend is the correct AWS service for this use case because: - **Sentiment Analysis**: Amazon Comprehend can analyze text to determine the emotional tone (positive, negative, neutral, or mixed) of customer reviews - **Key Phrase Extraction**: It can automatically identify and extract key topics, phrases, and entities mentioned in the text - **Natural Language Processing**: As a managed NLP service, it's specifically designed for text analysis tasks like this - **No ML Expertise Required**: Unlike Amazon SageMaker which requires machine learning expertise, Comprehend provides pre-trained models that work out-of-the-box **Why not the other options:** - **Amazon Rekognition**: Primarily for image and video analysis, not text - **Amazon Transcribe**: Converts speech to text, but doesn't analyze sentiment or topics - **Amazon SageMaker**: Requires building custom ML models, which is overkill for this pre-built use case Amazon Comprehend is the most appropriate service for analyzing customer reviews to detect sentiment and key topics without requiring machine learning expertise.

Author: Ritesh Yadav