premise: The Zurich derby is a football match between rivals FC Zürich and Grasshopper Club Zürich. The two teams were founded in Zürich, Switzerland. Grasshopper in 1886 and Zürich in 1896. Grasshoppers are known as the club of the elite and FCZ are known as the club of the workers. The derby is unique in Switzerland as it is the only rivalry between two teams from the same city.
hypothesis: Grasshopper Club Zürich is 10 years older than FC Zürich.
reason: Founded: "Grasshopper in 1886 and Zürich in 1896"