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

Example Input: Phospholipids are vesicles made of.
Example Output: What are vesicles made of?

Example Input: Neutrophils provide an early, rapid, and nonspecific defense against invading pathogens.
Example Output: What provides an early, rapid, and nonspecific defense against invading pathogens?

Example Input: During the first year after birth, a baby called a(n) infant.
Example Output:
During the first year after birth, what is a baby called?