In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Input: Consider Input: The song's lyrics refer to the Christian concept of the anticipation of restoration and reward, and reference the motifs found at Revelation 22: 1-2-a crystal clear river with water of life, issuing from the throne of heaven, all presented by an angel of God.

Output: story behind shall we gather at the river


Input: Consider Input: The United States Armed Forces are the military forces of the United States of America. It consists of the Army, Marine Corps, Navy, Air Force, and Coast Guard. The President of the United States is the Commander-in-Chief of the U.S. Armed Forces and forms military policy with the U.S. Department of Defense (DoD) and U.S. Department of Homeland Security (DHS), both federal executive departments, acting as the principal organs by which military policy is carried out. All five armed services are among the seven uniformed services of the United States.

Output: how many branches of the armed forces are there


Input: Consider Input: Alternators are used in modern automobiles to charge the battery and to power the electrical system when its engine is running.


Output: what is the role of alternator in car