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

Example Input: Resistors connected end to end are said to be in series.
Example Output: Resistors connected end to end are said to be in what?

Example Input: The mass remains the same does burning matter affect its mass.
Example Output: How does burning matter affect its mass?

Example Input: Protocells do you call the membrane-bounded droplets that have some properties of cells.
Example Output:
What do you call the membrane-bounded droplets that have some properties of cells?