How do you prepare lentil soup?
There are many ways to prepare lentil soup.  However a common method involves cooking onions, celery, and carrots in olive oil for several minutes.  Then you would add aromatics, such as garlic and spices, and cook for a minute.  Then you would add lentils and broth (or water) and bring to a simmer.  The soup should simmer for at least 30 minutes until the lentils are fully cooked.  Once finished cooking, you would garnish the soup with croutons, herbs, or drizzle with oil.
Instruction: How do you prepare lentil soup?
Context: 
Response: There are many ways to prepare lentil soup.  However a common method involves cooking onions, celery, and carrots in olive oil for several minutes.  Then you would add aromatics, such as garlic and spices, and cook for a minute.  Then you would add lentils and broth (or water) and bring to a simmer.  The soup should simmer for at least 30 minutes until the lentils are fully cooked.  Once finished cooking, you would garnish the soup with croutons, herbs, or drizzle with oil.