instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
a transmitter can be used to exchange information
answer:
What can be used to exchange information?


question:
eagles move their wings using large back muscles
answer:
Who moves their wings using large back muscles?


question:
Bacteria may spread directly by touching a person's infected limb.
answer:

Bacteria can spread directly by what?