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

Input: Consider Input: When water is heated by magma and makes its way to the surface and creates a(n) geyser.

Output: When water is heated by magma and makes it's way to the surface what is created?


Input: Consider Input: Like mitochondria, plastids contain their own dna.

Output: Like mitochondria, plastids contain their own what?


Input: Consider Input: Minerals form when they precipitate from hot fluids that have done cooled down.


Output: Minerals form when they precipitate from hot fluids that have done what?