Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: Who designed the type of bomber that became Hannig first aerial victory? Passage:Born in 1921 in Frankenstein, Lower Silesia, Hannig joined the military service in the Luftwaffe as a Fahnenjunker (officer cadet) in October 1939. He was posted to the 6./Jagdgeschwader 54 "Grünherz" (JG 54—54th fighter wing) in early 1941. His brother, Walter Hannig, received the German Cross in Gold () on 28 April 1943 as an observer with Aufklärungsgruppe (reconnaissance group) 4.(F)/14 of the Luftwaffe. Horst Hannig claimed his first aerial victory, a Tupolev SB-2, on the first day of Operation Barbarossa, the German invasion of the Soviet Union on 22 June 1941. He achieved his first 30 victories up to November 1941. On 9 May 1942, Leutnant (second Lieutenant) Hannig was awarded the Knight's Cross of the Iron Cross () having flown over 200 operations and claiming 48 victories. He and Leutnant Hans Beißwenger received the Knight's Cross from General der Flieger Helmuth Förster at Siverskaya. On 21 July 1942 he claimed his 54th victory, a Petlyakov Pe-2 reconnaissance aircraft, near Lake Ilmen. It was JG 54 2,500th aerial victory.


b