Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: Yeast fermentation causes holes in bread.
Example Output: What causes holes in bread?

Example Input: The refrigerator door contains iron of the following statements best explains why magnets usually stick to a refrigerator door.
Example Output: Which of the following statements best explains why magnets usually stick to a refrigerator door?

Example Input: Since 1900, four of the five earthquakes of the greatest magnitude occurred near ring of fire appropriately nicknamed pacific location.
Example Output:
Since 1900, four of the five earthquakes of the greatest magnitude occurred near what appropriately nicknamed pacific location?