instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
A mineral made of carbon is used for making pencils.
answer:
What is a mineral made of?

question:
Cystitis can be treated with antibiotics.
answer:
Cystitis can be treated with what?

question:
mosses, liverworts, and hornworts depend on water to reproduce
answer:
What does mosses, liverworts, and hornworts depend on to reproduce?