segmentation: london 2009
rank.candidate: lon don2009 london 2009 london2 009 lo nd on 2009 london 2 009 londo n2009 london 20 09 lo ndo n 2009 l ondon 2009 lon don 2009 lo ndon2009 london20 09 l on don 2009 lond on 2009 london 2 00 9 lon do n 2009 lo ndon 2009 londo n 2009 l ond on 2009 london 200 9