premise: Jagdfliegerführer Oberitalien (Fighter Leader Northern Italy) was part of Luftflotte 2 (Air Fleet 2), one of the primary divisions of the German Luftwaffe in World War II. It was formed in July 1943 in Bologna and subordinated to the Luftflotte 2. The headquarters were located at Bologna and moved to Pontecchio on March 18, 1944, moved again on July 15, 1944 to Verona.
hypothesis: The headquarters were located at  Verona in the fourth month of the year 1944. 
reason: it was in march, and march is the third month no the fourth. 