AV referendum to use AV

The UK referendum on the adoption of the Alternative Vote (AV) system for British general elections is itself to be conducted using the AV system. Voters will rank the available options in order of preference. If no option has 50% support, the second preferences of those who voted for the least popular option will be taken into account. This process is repeated until an option has 50%. The voting paper will look something like the following:

Do you support the adoption of the Alternative Vote system for British general elections. Rank the following options:
(_) YES
(_) NO

Nick Clegg said last night, "I am very much opposed to the First Past The Post system." Nick Clegg was elected into Parliament on the First Past The Post system.