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

Example Input: Nonvascular plants are the only plants with a life cycle in which the gametophyte generation is dominant.
Example Output: What are the only plants with a life cycle in which the gametophyte generation is dominant?

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

Example Input: Nuclear symbols are used to write nuclear equations for radioactive decay.
Example Output:
What are used to write nuclear equations for radioactive decay?