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

Q: Gardasil is the vaccine to prevent infection of hpv.

A: What is the vaccine to prevent infection of hpv?
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Q: Producing sperm and secreting testosterone are the main functions of male reproductive system system.

A: Producing sperm and secreting testosterone are the main functions of what system?
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Q: Of the three basic types of radioactive emissions, the gamma particle is the most penetrating.

A:
Of the three basic types of radioactive emissions, what particle is the most penetrating?
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