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

Example Input: Like mitochondria, plastids contain their own dna.
Example Output: Like mitochondria, plastids contain their own what?

Example Input: The outer layer of the sun is made up of plasma.
Example Output: What is the outer layer of the sun made up of?

Example Input: Chlamydia, gonorrhea, and syphilis are examples of bacterial stis.
Example Output:
What are chlamydia, gonorrhea, and syphilis an example of?