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

Input: Consider Input: Solids are categorized by the forces holding the individual atoms, ions, or molecules together.

Output: What is categorized by the forces holding the individual atoms, ions, or molecules together?


Input: Consider Input: Technology is the term for the application of science to solve problems.

Output: What is the term for the application of science to solve problems?


Input: Consider Input: Addiction affects the dopamine receptors within the brain.
Output: Addiction affects what type of chemical receptors within the brain?