Your organization wants to perform sentiment analysis on customer feedback data. This data is in multiple languages and is stored in various formats. What GCP service should you use to ingest, transform, and analyze this data effectively?

*Explanation:* To effectively ingest, transform, and analyze customer feedback data in multiple languages and various formats, the recommended choice is **Cloud Natural Language API and BigQuery**. The Cloud Natural Language API can perform sentiment analysis on the data, and BigQuery can handle the data transformation and analysis. Other options like Cloud Data Fusion and Data Catalog (focused on transformation and cataloging but not sentiment analysis), Cloud Speech-to-Text and Cloud Translation (primarily for conversion and translation but not sentiment analysis), Cloud Pub/Sub and Dataflow (useful for data ingestion and transformation but not sentiment analysis), and Data Prep and Cloud Machine Learning Engine (not specifically designed for sentiment analysis) are less suitable for this specific use case.