Give me the list of top 3 topics & themes from the below conversation.

Agent_1: Hello, how can I assist you today? Agent_2: Hi, I wanted to know more about the AI advancements in object detection Agent_1: Sure, we've made a lot of progress in that area recently. Agent_2: Great, I was wondering if you could tell me more about the end-to-end pipeline you are working on. Agent_1: I'm sorry but I'm not familiar with any end-to-end pipeline for object detection. We are primarily focused on developing models for object detection.