In an office, there are four colleagues: Elspeth, Juniper, Magnus, and Soren. Elspeth is allergic to peanuts and everyone knows this because she had an allergic reaction at the last office party. One day, Juniper brings homemade cookies to the office, unaware that they contain peanuts because her roommate, who prepared part of the batch, added peanuts without telling her. Magnus takes a cookie, but before eating it, he gets called away to an urgent meeting, leaving the cookie on his desk. Soren sees the cookie on Magnus's desk and wants to warn Elspeth not to eat any cookies because he mistakenly assumes Magnus has already checked for peanuts, knowing her allergy. Elspeth, meanwhile, has not seen the cookies yet, as she has been on phone calls in her office. When Magnus returns, he eats his cookie without checking for peanuts because he assumes since Juniper brought them, and knows about Elspeth's allergy, they would be safe. How should each of the colleagues' assumptions influence their actions regarding the cookies and Elspeth's allergy?

Respond briefly.
Juniper's actions should be informed by her lack of knowledge about the cookies' ingredients. She should inform her colleagues that she cannot guarantee the cookies are peanut-free as soon as she becomes aware of the situation. Magnus's assumption is based on his trust in Juniper's knowledge of Elspeth's allergy; however, his action of eating the cookie without verification is dangerous, especially since the batch origin is partially unknown to Juniper. Magnus's action is unwise without that verification, but without knowledge of the roommate's involvement, he acts without the necessary caution. Soren, who has seen Magnus's cookie and is aware of Elspeth's allergy but does not know that Juniper is unaware of the peanuts, should communicate his concerns to Elspeth before she potentially comes into contact with the cookies. However, his assumption that Magnus checked the cookie is based on incomplete information; he should verify the peanut-free status of the cookies with Juniper directly. Lastly, Elspeth, being unaware of the cookies altogether, relies on her colleagues to maintain a safe environment with her allergy known. If informed of the cookies, she should ask Juniper directly about their contents or abstain from eating them to ensure her safety. In conclusion, each person's assumptions and knowledge gaps could potentially lead to Elspeth having an allergic reaction, highlighting the importance of clear communication and verification in matters of health and safety.