Which of the following wars took place in the twentieth century: World War II, American Revolution, French Revolution, Hundred Years War, and the Vietnam War?
World War II and the Vietnam war took place in the twentieth century.
### Instruction: Which of the following wars took place in the twentieth century: World War II, American Revolution, French Revolution, Hundred Years War, and the Vietnam War?
### Context: 
### Answer: World War II and the Vietnam war took place in the twentieth century.</s>