Definition: In this task, five ordered key facts are given. All the given facts are expressed in natural language. Your job is to generate a story 100 to 1000 words long, that includes all the facts given as input in their order of appearance while expanding upon them to produce a broader, yet coherent, narrative.
Input: Fact1: aeronautical engineer Barnes Wallis In early years of is struggling to develop means of attacking Second World War, Fact2: bouncing bomb skip over water to avoid protective, Fact3: aircraft have to fly extremely low to enable bombs to skip over water correctly, Fact4: Bomber Command forms special squadron of Lancaster bombers to be commanded by Wing Commander Guy Gibson, Fact5: Gibson recruits experienced crews

In the early years of the Second World War, aeronautical engineer Barnes Wallis is struggling to develop a means of attacking Germanys dams in the hope of crippling German heavy industry. Working for the Ministry of Aircraft Production, as well as doing his own job at Vickers, he works feverishly to make practical his theory of a bouncing bomb which would skip over the water to avoid protective torpedo nets. When it came into contact with the dam, it would sink before exploding, making it much more destructive. Wallis calculates that the aircraft will have to fly extremely low 150 feet 46 m to enable the bombs to skip over the water correctly, but when he takes his conclusions to the Ministry, he is told that lack of production capacity means they cannot go ahead with his proposals. Angry and frustrated, Wallis secures an interview with Sir Arthur Bomber Harris played by Basil Sydney, the head of RAF Bomber Command, who at first is reluctant to take the idea seriously. Eventually, however, he is convinced and takes the idea to the Prime Minister, who authorises the project. Bomber Command forms a special squadron of Lancaster bombers, 617 Squadron, to be commanded by Wing Commander Guy Gibson, and tasked to fly the mission. He recruits experienced crews, especially those with lowaltitude flight experience. While they train for the mission, Wallis continues his development of the bomb but has problems, such as the bomb breaking apart upon hitting the water. This requires the drop altitude to be reduced to 60 feet 18 m. With only a few weeks to go, he succeeds in fixing the problems and the mission can go ahead. The bombers attack the dams. Eight Lancasters and their crews are lost, but two dams are breached and the overall mission succeeds.