premise: "You Are My Sunshine" is a popular song recorded by Jimmie Davis and Charles Mitchell and first recorded in 1939. It has been declared one of the state songs of Louisiana because of its association with Davis, a country music singer and governor of the state in the years 1944–1948 and 1960–1964.
hypothesis: "You Are My Sunshine" was recorded after WW2
reason: "You Are My Sunshine" was recorded after the second world war