Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Example Input: Fact: as distance from a source of light increases , that source of light will appear dimmer
Example Output: The further a ship sails away from a light house?

Example Input: Fact: stopped means no speed
Example Output: An object that is stopped is?

Example Input: Fact: limestone is formed by water evaporating from a solution of water and minerals
Example Output:
Limestone is formed by water evaporating from a solution of water and mineral and a hard sedimentary rock used as building material and for making?