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

Example Input: Fungi is the major cause of disease in agricultural crops.
Example Output: What is the major cause of disease in agricultural crops?

Example Input: Particle accelerators can nuclear fusion in stars be simulated.
Example Output: How can nuclear fusion in stars be simulated?

Example Input: You call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars, elliptical galaxies.
Example Output:
What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?