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. 

Ex Input:
Chemical reactions break down the bonds holding the rocks together. The rocks fall apart. They form smaller and smaller pieces. Oxidation takes place when oxygen combines with other elements in rocks. They form new types of rocks. The new substance is softer. Carbonation takes place when carbon dioxide reactions with certain types of rocks. A solution is formed that can easily be carried away by water. 

Ex Output:
What happens during chemical weathering?


Ex Input:
A star burns in space. Eventually it burns all its hydrogen. Becomes a red giant. Once the red giant burns itself out. The core of the star collapses. The gasses will start to disperse. Only the core is left. A white dwarf has been formed. 

Ex Output:
How is a white dwarf star formed?


Ex Input:
Plants produce fruit which contain seeds of the plant. An animal eats the fruit from a plant. The animal digests the fruit. The seeds are not digested. The seeds pass through the animal's digestive system. The seeds are in the animal's droppings. The seeds are now in another location and can grow. 

Ex Output:

How do plants use animals to help disburse their seeds?


