#2です。補足です。
Q: How many babies does it take to change a light bulb?
A: As many as it takes to make a picture.
時代背景がありまして、弾丸(bulletism)というシュールレアリズムの手法が流行った二十世紀のジョークです。
その変形
Q: How many dead babies does it take to change a light bulb?
A: As many as it takes to make a pile big enough to climb on to reach the bulb.
もあります。
Q: How many babies does it take to change a light bulb?
A: As many as it takes to make a picture.
お礼
ありがとうございます。