Given a scientific passage and an answer, generate a question for the given answer.

Ex Input:
Passage: What does sunshine have to do with sleep (other than the sun shining in your eyes and waking you up)? For many people, sleeping problems have to do with an amine that the brain makes called melatonin. This compound affects the sleep-wake cycle and is affected by sunlight. During the winter, the daily cycle of melatonin production may be affected by less sunlight hours. If this cycle is changed, the person may have trouble sleeping. Melatonin supplements are available in pharmacies and health food stores and may be of help for those with sleeping problems. Answer: melatonin

Ex Output:
During the winter, production of what amine involved in the sleep-wake cycle may be affected by less sunlight hours?

Ex Input:
Passage: Momentum is a vector quantity that has the same direction as the velocity of the object. Answer: object ' s velocity

Ex Output:
Momentum is a vector quantity that has the same direction as what?

Ex Input:
Passage: The flow of energy through living organisms begins with photosynthesis. This process stores energy from sunlight in the chemical bonds of glucose. By breaking the chemical bonds in glucose, cells release the stored energy and make the ATP they need. The process in which glucose is broken down and ATP is made is called cellular respiration . Answer: atp

Ex Output:
In cellular respiration, glucose is broken down and what is made?