ChatGPT uses statistical modeling and natural language processing techniques to analyze user input and generate a response. When faced with ambiguity in user input, ChatGPT uses context and probability to generate a likely response based on the most probable interpretation of the input.
For example, if a user says "I need to buy a new laptop," ChatGPT may respond by asking "What type of laptop are you looking for?" or "What is your budget for a new laptop?" based on the context of the conversation and the statistical probability of what the user may be asking.
However, it's important to note that ChatGPT may not always be able to accurately interpret ambiguous user input, and in some cases may provide a response that is not relevant or helpful.