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

Input: Consider Input: Phospholipids are vesicles made of.

Output: What are vesicles made of?


Input: Consider Input: Articular processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head.

Output: What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?


Input: Consider Input: The term “vapor” refers to the gas phase when it exists at a temperature below boiling temperature.


Output: The term “vapor” refers to the gas phase when it exists at a temperature below what?