In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.
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Question: National Voter Opportunity To Inform Congress Effectively on a Flat Tax and a Cap on Tax Increases Act of 1997 (National VOICE on a Flat Tax and Cap on Tax Increases Act of 1997) - Places on the 1998 general election ballot in each congressional district the advisory questions of whether the Congress should: (1) adopt a simple flat tax rate on income; and (2) approve a constitutional amendment to require a majority vote of the American people to raise taxes. Provides for cost reimbursement to the States from the franking accounts of the House of Representatives and the Senate.

Answer: National Voter Opportunity To Inform Congress Effectively on a Flat Tax and a Cap on Tax Increases Act of 1997 (National VOICE on a Flat Tax and Cap on Tax Increases Act of 1997)

Question: 225th Anniversary of the American Revolution Commemoration Act - Directs the Secretary of the Interior to establish a program to be known as the 225th Anniversary of the American Revolution Commemoration Program. Requires the Secretary, in carrying out such Program, to: (1) produce and distribute to the public educational materials relating to the American Revolution, such as handbooks, maps, and interpretive guides; (2) enter into appropriate cooperative agreements and memoranda of understanding to provide technical assistance as specified below to other Federal agencies, States, local governments, private entities, and the governments of the United Kingdom, France, the Netherlands, Spain, and Canada; (3) assist in the protection of resources associated with the American Revolution; (4) enhance communications, connections, and collaboration among the National Park Service (NPS) units and programs relating to the American Revolution; (5) expand the research base for interpretation of and education on the American Revolution; and (6) create and adopt an official symbol or device for the theme "Lighting Freedom's Flame: American Revolution, 225th Anniversary" and promulgate regulations for its use.

Requires that such Program include: (1) all NPS units and programs relevant to the American Revolution; (2) other governmental and nongovernmental sites, facilities that are documented to be directly related to the American Revolution, and educational, research, and interpretive programs relating to the American Revolution; and (3) the participation of the governments of the United Kingdom, France, the Netherlands, Spain, and Canada. Authorizes the Secretary to enter into cooperative agreements and memoranda of understanding to provide technical assistance to the entities specified above, and in cooperation with the Secretary of State, to the governments of the United Kingdom, France, the Netherlands, Spain, and Canada, to achieve the purposes of this Act and to ensure the effective coordination of the Federal and non-Federal components of the Program with NPS units and programs. Authorizes appropriations.

Answer: A bill to establish within the National Park Service the 225th Anniversary of the American Revolution Commemorative Program, and for other purposes.

Question: Great Ape Protection Act - Prohibits: (1) persons from conducting invasive research on great apes; (2) federal funds from being used to conduct such research; (3) persons from knowingly importing, exporting, transporting, moving, delivering, receiving, possessing, renting, loaning, purchasing, or selling great apes for such research; and (4) persons from breeding great apes for use in such research.

Declares that this Act does not limit or prevent individualized medical care performed on great apes by licensed veterinarians for the benefit of the great apes.

Requires the Secretary of Health and Human Services (HHS) to provide for the permanent retirement of all great apes that are owned or under the control of the federal government and that have been used for invasive research. Authorizes the Secretary to provide for the euthanizing of such apes if it is in their best interest as determined by an attending veterinarian and endorsed by a second, unaffiliated veterinarian.

Defines "invasive research" to mean experimental research that may cause death, bodily injury, pain, distress, fear, injury, or trauma to great apes. Excludes: (1) close observation of natural or voluntary behavior, provided that it does not require the removal of apes from their social group or environment or require an anesthetic or sedation event to collect data or record observations; or (2) post-mortem examinations of great apes following their natural death.

Answer:
To prohibit the conducting of invasive research on great apes, and for other purposes.