history: I think Ford Mustangs are really cool-looking, but I don't know much about them. Do you?
knowledge: It was originally based on the platform of the second generation North American Ford Falcon, a compact car.
response: I know that they were originally based on the Ford Falcon.
history: I think Ford Mustangs are really cool-looking, but I don't know much about them. Do you?
I know that they were originally based on the Ford Falcon.
It seems like they are really popular among muscle car collectors, particularly the ones from the mid-to-late sixties.
knowledge: Sold at an affordable price, muscle cars are intended for street use and occasional drag racing.
response: Is that so? Muscle cars are sometimes used for drag racing, and are relatively affordable.
history: I think Ford Mustangs are really cool-looking, but I don't know much about them. Do you?
I know that they were originally based on the Ford Falcon.
It seems like they are really popular among muscle car collectors, particularly the ones from the mid-to-late sixties.
Is that so? Muscle cars are sometimes used for drag racing, and are relatively affordable.
A really popular one was a special design called the Shelby Cobra.
knowledge: The Shelby Mustang is a high performance variant of the Ford Mustang which was built by Shelby American from 1965 to 1968, and from 1969 to 1970 by Ford.
response: Nice. They were built in 1965-1968, then 1969 and 1970.
history: I think Ford Mustangs are really cool-looking, but I don't know much about them. Do you?
I know that they were originally based on the Ford Falcon.
It seems like they are really popular among muscle car collectors, particularly the ones from the mid-to-late sixties.
Is that so? Muscle cars are sometimes used for drag racing, and are relatively affordable.
A really popular one was a special design called the Shelby Cobra.
Nice. They were built in 1965-1968, then 1969 and 1970.
When was the first Mustang produced?
knowledge: The original 1962 Ford Mustang I two-seater concept car had evolved into the 1963 Mustang II four-seater concept car which Ford used to pretest how the public would take interest in the first production Mustang.
response: A two-seater concept car was made in 1962, followed  by a four-seater concept car in 1963. I don't know when they started mass producing them.