user: Given this paragraph on Mercury-Redstone 1, how many people were on the MR-1 when the launched failed, and when was the launch?

assistant: MR-1 was launched on November 21, 1960, and MR-1 was an uncrewed flight, so there were no people on the spacecraft.

user: What is the most produced airplane in history.

assistant: The most produced airplane in history is the Cessna 172 with over 44,000 produced. The first was produced in 1956 and production is still ongoing.

user: Extract the names of the the Handler family from these passages

assistant: Ruth Handler, Barbara Handler, Elliot Handler, Kenneth Handler