Detailed Instructions: Based on the given context, craft a common-sense question, especially those that are LONG, INTERESTING, and COMPLEX. The goal is to write questions that are easy for humans and hard for AI machines! To create such questions, here are some suggestions: A. What may (or may not) be the plausible reason for an event? B. What may (or may not) happen before (or after, or during) an event? C. What may (or may not) be a plausible fact about someone (or something)? D. What may (or may not) happen if an event happens (or did not happen)? You can also create other types of questions. DO NOT make your question answerable without looking at the context, or question of which the correct answer can be directly extracted from the context. DO NOT ask a question that requires very specialized knowledge that is not common sense. DO NOT ask too simple or too short questions. Your question must be related to the context and answerable with common sense. Try to add more variations and complexity to the questions.
Q: Context: Cook until potatoes are thawed and broken apart . Add the vegetable stock and boil for a few minutes until potatoes are very tender . Add the spinach and cook for a few minutes longer , until spinach is just tender . Transfer soup to a food processor , in batches if necessary , and process until relatively smooth ( it does n't need to be homogenous ; the spinach and potatoes just need to be broken up into flecks . ) Return to the pan and add the lentils .
A:
Why do you not have to process the soup until it is very smooth ?