Given a statement, generate a question such that the answer is contained in that statement.

Example Input: a transmitter can be used to exchange information
Example Output: What can be used to exchange information?

Example Input: Some creatures that eat plants.have more than one stomach.
Example Output: How many stomachs do some creatures that eat plants have?

Example Input: stars can be used for locating yourself
Example Output:
What can be used for locating yourself?