(d) Automatic Summarisation
This application provides an overview of a news item or blog post, avoids redundancy from multiple sources, and maximises diversity of content.
The question describes the key features of Automatic Summarisation — summarising content, removing redundancy, and maximising diversity. Chatbots simulate conversation, Virtual Assistants execute voice tasks, and Sentiment Analysis detects opinions — none match this description. Choose the option that best fits all three conditions given in the question.