AWS Certified AI Practitioner Practice Exam

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Which AWS services can determine customer sentiments from product reviews?

Amazon Lex
Amazon Comprehend
Amazon Polly
Amazon Bedrock

The correct answer is: Amazon Comprehend

Amazon Comprehend is designed specifically for natural language processing (NLP) tasks, including sentiment analysis. It can analyze text data, such as product reviews, to determine sentiments expressed in the text—whether they are positive, negative, or neutral. This service uses machine learning to understand the context and nuances of language, providing insights into customer opinions and emotions based on the content of the reviews. Other options serve different purposes: Amazon Lex is primarily a service for building conversational interfaces using voice and text, focusing on natural language understanding but not specifically targeting sentiment analysis. Amazon Polly is designed for text-to-speech conversion, allowing users to synthesize speech from textual input, which does not analyze sentiments. Amazon Bedrock is a service designed to build and deploy AI applications, which may involve various AI models but is not specifically tailored for sentiment detection in text data. Therefore, Amazon Comprehend is the most suitable option for determining customer sentiments from product reviews.