Information:  - The Beardmore WB.III was a British carrier - based fighter biplane of World War I. It was a development of the Sopwith Pup that Beardmore was then building under licence , but was specially adapted for shipboard use .  - The Royal Naval Air Service (RNAS) was the air arm of the Royal Navy, under the direction of the Admiralty's Air Department, and existed formally from 1 July 1914 to 1 April 1918, when it was merged with the British Army's Royal Flying Corps to form a new service, the Royal Air Force, the first of its kind in the world.  - The Sopwith Pup was a British single-seater biplane fighter aircraft built by the Sopwith Aviation Company. It entered service with the Royal Flying Corps and the Royal Naval Air Service in the autumn of 1916. With pleasant flying characteristics and good manoeuvrability, the aircraft proved very successful. The Pup was eventually outclassed by newer German fighters, but it was not completely replaced on the Western Front until the end of 1917. Remaining Pups were relegated to Home Defence and training units. The Pup's docile flying characteristics also made it ideal for use in aircraft carrier deck landing and takeoff experiments.    After reading the paragraphs above, we are interested in knowing the entity with which 'beardmore w.b.iii' exhibits the relationship of 'first flight'. Find the answer from the choices below.  Choices: - 1914  - 1916  - 1917
A:
1917