<|start|>system<|message|>You are ChatGPT, a large language model trained by OpenAI.
Knowledge cutoff: 2024-06
Current date: 2025-10-21

Reasoning: medium

# Valid channels: analysis, commentary, final. Channel must be included for every message.<|end|><|start|>user<|message|>Hello!<|end|><|start|>assistant<|channel|>analysis<|message|>The user says "Hello!" probably wants a greeting response. They may want general conversation. We can respond, maybe add some question. It's a simple greeting.<|end|><|start|>assistant<|channel|>final<|message|>Hello! 🌟 How can I assist you today?<|return|>