sentences:  Odd started a cooperation with the local club Pors in 1994, and changed their names to Odd Grenland and Pors Grenland, in an effort to represent the district of Grenland.In conjunction with the name change, a public limited company named Grenland Fotball was founded.Pors Grenland withdrew from the cooperation in December 2009, and in January 2013 Odd Grenland decided to change its name back to Odds BK because they wanted to be a club for the entire county of Telemark.