Finish the following sentence with the best choice: How to thin a soup that is too thick?

Choices:
- Remove some of the soup mixture and add equal parts water or stock to that mixture, let it mix and then pour it back into the soup on a low temperature
- Remove some of the soup mix and add double that amount of water or stock to that mixture, let it mix and then pour it back into the soup on a boil

Answer:
Remove some of the soup mixture and add equal parts water or stock to that mixture, let it mix and then pour it back into the soup on a low temperature