In this task, you are given a paragraph, and your task is to construct a question from the given passage. Construct question in such a way that (i) it is well explained in the paragraph, (ii) the words may/may not be present in the paragraph, (iii) it should start with what/how/describe. Avoid creating a question that (i) is just relevant to one or two sentences, and (ii) not relevant to passage. 

[Q]: Waves hit the coast. Waves have energy that pushes the water and sediment. The sediment can help erode land like sandpaper. Water washes the sediment back. Some sediment is left as sand. 
[A]: What happens during erosion by the ocean?


[Q]: A nuclear reactor generates heat by nuclear fission. The heat created raises steam. The steam runs through turbines. The turbines generate electricity. The electricity leaves the station. 
[A]: How does a nuclear-powered power station generate electricity?


[Q]: Put water in an ice cube tray. Put the ice cube tray in the freezer. Wait 5 to 6 hours. Take the ice cube tray out of the freezer. Bend the tray slightly to get the ice cubes out and into a drink. 
[A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
How do you make ice cubes?


