premise: Christian Gottlob Neefe was an opera writer.
hypothesis: Christian Gottlob Neefe ( [ ˈneːfə ] ; 5 February 1748 -- 28 January 1798 ) was a German opera composer and conductor . He studied law at Leipzig University , but subsequently returned to music to become a pupil of the composer Johann Adam Hiller under whose guidance he wrote his first comic operas .