Original sentence: Activists in Washington State have been urging adoption of instant-runoff voting there for several years.An initiative seeking ballot access in 2005 failed to garner enough signatures.IRV meets few of the formal voting system criteria defined by political scientists for assessment of voting systems.On March 1, 2005, voters in Burlington, Vermont voted to amend their city charter to use instant-runoff voting.Suggested by a recent version of Robert's Rules of Order, instant-runoff voting is used in the United States for some non-governmental elections, including student elections at some major universities.The voters in the city of Ferndale, Michigan, a Detroit suburb, amended their city charter in 2004 to allow for election of the mayor and city council by instant-runoff voting.Vancouver, Washington has voted to adopted instant-runoff voting, but the state legislature has yet to enact enabling legislation
Edited sentence: However, such protest votes have an unpredictable effect on an election outcome as IRV fails to comply with any established election method criteria.IRV meets none of the formal voting system criteria defined by political scientists for assessment of voting systems.Suggested by a recent version of Robert's Rules of Order, instant-runoff voting is used in the United States for some non-governmental elections.The voters in the city of Ferndale, Michigan, a Detroit suburb, amended their  city charter in 2004 to allow for election of the mayor and city council by instant runoff voting.Washington State has an initiative seeking ballot access in 2005 (I-318) that would change the state primary system to IRV