Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Name 3 superstitions from around the world.

### Response:
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.