as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
please come up with a few sentence illustrating the phrase "out of the blue".
user
- suddenly, out of the blue, i received an unexpected job offer. 
- my world turned upside down when, out of the blue, i got the news.
- out of the blue, a stranger knocked on my door and asked for help. 
- out of the blue, she called me and said she wanted to meet up.
assistant