Premise: La Cygne (pronounced "luh SEEN") is a city situated along the Marais des Cygnes River in the northeast part of Linn County, located in East Central Kansas, in the Central United States. As of the 2010 census, the city population was 1,149. The city is named after the Marais des Cygnes River which is a French translation of an Osage appellation meaning "marsh of the swans".
Hypothesis: La Cygne is named after a river