history: I like barbies.
knowledge: Barbie is a fashion doll manufactured by the American toy company Mattel, Inc. and launched in March 1959.
response: Oh do you?  Did you know that Mattel Inc. launched Barbie in March 1959?
history: I like barbies.
Oh do you?  Did you know that Mattel Inc. launched Barbie in March 1959?
Oh cool!  I have a big collection of them.  I wonder how many they have sold since 1959, do you know?
knowledge: Mattel has sold over a billion Barbie dolls, making it the company’s largest and most profitable line.
response: Yes, over a billion!  Barbie is their most profitable line of toys.
history: I like barbies.
Oh do you?  Did you know that Mattel Inc. launched Barbie in March 1959?
Oh cool!  I have a big collection of them.  I wonder how many they have sold since 1959, do you know?
Yes, over a billion!  Barbie is their most profitable line of toys.
I have a few Barbies that are worth over 1000 dollars.
knowledge: The doll transformed the toy business in affluent communities worldwide by becoming a vehicle for the sale of related merchandise (accessories, clothes, friends of Barbie, etc.).
response: Wow, that much?  I know Barbi changed to toy business worldwide.  There became sales of related merchandise too, like clothes and accessories.
history: I like barbies.
Oh do you?  Did you know that Mattel Inc. launched Barbie in March 1959?
Oh cool!  I have a big collection of them.  I wonder how many they have sold since 1959, do you know?
Yes, over a billion!  Barbie is their most profitable line of toys.
I have a few Barbies that are worth over 1000 dollars.
Wow, that much?  I know Barbi changed to toy business worldwide.  There became sales of related merchandise too, like clothes and accessories.
Yes, they are an American icon and will be around forever.
knowledge: Barbie has been an important part of the toy fashion doll market for over fifty years, and has been the subject of numerous controversies and lawsuits, often involving parodies of the doll and her lifestyle.
response: Barbie is iconic and is often a subject of parodies of the doll and Barbie's lifestyle.