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

Ex Input:
Water can be boiled to kill giardia and most other pathogens.

Ex Output:
Water can be boiled to kill giardia and most other what?


Ex Input:
Rna analysis type of analysis is performed to study gene expression patterns in cells.

Ex Output:
What type of analysis is performed to study gene expression patterns in cells?


Ex Input:
Bronze is an alloy of copper and tin.

Ex Output:

What is an alloy of copper and tin?