Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: What is Donald's job in the Army? Movie plot title: The Vanishing Private Movie plot: Donald Duck is doing some camouflage painting on a cannon with yellow, green, and red stripes and black dots. Sergeant Pete sees it and scolds Donald, claiming that anyone could recognize it. Peter demands Donald to re-paint the gun to make it "hard to see". Obliging to the sergeant's orders, Donald walks off to the "Experimental Laboratory: Camouflage Corps" disregarding the 'keep out' sign ("It didn't say 'positively' ", says Donald) and walks in. He finds some "invisible paint", which he tests with his finger and uses to paint the cannon. When Pete arrives, he is shocked to see that the cannon is gone, believing it to be stolen. But it is not stolen as the sergeant finds out the hard way by bonking his head in the underside of the cannon and discovering Donald inside. Angered that Donald painted the cannon too invisible to look, Pete blows hard into one end of the barrel, sending Donald into the bucket of invisible paint. When Donald runs away from Pete, the latter finds out Donald has become invisible seeing Donald's footprints on the ground. Donald swims across a lake and the invisible paint doesn't come off. Pete continues to chase Donald through a field of flowers, searching through the flowers, until he accidentally throws the flowers on Donald revealing his outline. Pete spots Donald and tries to catch him but Donald gets away again. The flowers give Pete an idea to find Donald. When the General drives up, Pete's antics, including jumping around a tree while singing "Here We Go Round The Mulberry Bush" and throwing flowers, convinces the General that he is acting odd, especially after Pete asks the General "did you see a little guy that you can't see?" and the invisible Donald puts a cactus down Pete's pants, making Pete scream in pain and jump around like a madman and the General wonders what is up with Pete. Donald is running around a kitchen and then sees some pies in the window and Donald takes a pie and eats it. Pete then notices this and Donald throws the pie in Pete's face. Donald is skipping...
Answer:
Painting