Given a statement, generate a question such that the answer is contained in that statement.

Ex Input:
Leopard geckos can go several weeks between meals

Ex Output:
How long can Leopard geckos go between meals?

Ex Input:
harvesting helps control destruction of crops

Ex Output:
What does harvesting help control?

Ex Input:
Rain downwind from a coal-fired power plant is likely to transform the color of litmus paper from blue to red.

Ex Output:
What color of litmus paper is likely to change from a coal-fired power plant to red?