Given a statement, generate a question such that the answer is contained in that statement.
--------
Question: something that can be panoramic is used for recording pictures

Answer: What can be used for recording pictures?


Question: harvesting helps control destruction of crops

Answer: What does harvesting help control?


Question: Vinegar changes the hue of litmus paper from blue to red.

Answer:
In what color does Vinegar change the hue of litmus paper from blue to?