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

Input: Consider Input: The long bone work as lever.

Output: What type of function does the long bone perform?


Input: Consider Input: Dendrites from the cell body recieve impulses from other neurons.

Output: What do dendrites from the cell body recieve impulses from?


Input: Consider Input: Many free charges is the drift velocity negligible.


Output: Why is the drift velocity negligible?