Which of the following statements regarding Amazon Athena are accurate? 
 
A) Amazon Athena requires you to provision and manage servers. 
B) Amazon Athena is a fully managed interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL. 
C) Amazon Athena is primarily used for real-time data processing. 
D) Amazon Athena supports only structured data formats such as CSV and JSON.