Given the task definition and input, reply with output. Given a story, answer the question about the story. The question is the last sentence in the input. These stories can be difficult due to their length and how each story has at least one of the three following scenarios: the first is when the individual's belief matches reality, the second is when the individual's belief does not match reality, and the third is when an individual has a false belief about another individual's beliefs. The question will ask about the location of an object in the story with respect to either none or one of the three scenarios.

Alexander entered the office. Aria entered the office. The onion is in the red_envelope. Aria exited the office. Alexander moved the onion to the green_bottle. Alexander exited the office. Aria entered the office. Where was the onion at the beginning?

red_envelope