Question: The CASA 2. 111 was a medium bomber derived from what German aircraft that was designed by Siegfried and Walter Gunter at Heinkel Flugzeugwerke in 1934?
Sentence (from "Heinkel He 111"): Through development it was described as a "wolf in sheep's clothing" because the project masqueraded the machine as civilian transport, though from conception the Heinkel was intended to provide the nascent Luftwaffe with a fast medium bomber.
Relevant evidence: No