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
name 3 superstitions from around the world.
user
1. opening an umbrella inside is bad luck in many parts of the world. 
2. spilling salt is bad luck in many european countries. 
3. stepping on a crack in the sidewalk is bad luck in some parts of the u.s.a.
assistant