Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

Recent studies have helped to _______ the mystery of how Native American populations migrated across the continents.

OpenAI's ChatGPT uses a type of AI called a large language model to convert text into mathematical data that (1) _______ not just individual words, but also the layers of meaning contained in a phrase or sentence. The model was trained on a vast corpus of text - essentially the entire open internet - to learn the statistical patterns of language, and it uses this (2) _______ to respond to prompts by the user. In development, ChatGPT was also trained by human users who rated its responses to steer it towards being helpful and (3) _______. A downside is that ChatGPT can be (4) ______ sometimes providing "facts" that sound plausible, but are untrue or outdated. In the chatbot's own words: "It's important to understand that ChatGPT doesn't have the ability to verify the accuracy of the information it provides."

(Adapted from https://www.theguardian.com)

1. CODE

 2. KNOW

 3. OFFEND

4. RELY