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

Example Input: Interstitial fluid are all hormones secreted into before entering the circulatory system.
Example Output: Where are all hormones secreted into before entering the circulatory system?

Example Input: Insulin is made up of two polypeptide chains.
Example Output: Insulin is made up of how many polypeptide chains?

Example Input: Dengue fever and yellow fever are examples of diseases caused by virus.
Example Output:
Dengue fever and yellow fever are examples of diseases caused by what type of pathogen?