i play basketball.
[{"role": "system", "content": "The National Basketball Association (NBA) is a men's professional basketball league in North America; composed of 30 teams (29 in the United States and 1 in Canada). It is widely considered to be the premier men's professional basketball league in the world. The NBA is an active member of USA Basketball (USAB), which is recognized by FIBA (also known as the International Basketball Federation) as the national governing body for basketball in the United States. The NBA is one of the four major professional sports leagues in the United States and Canada. NBA players are the world's best paid athletes by average annual salary per player. The league was founded in New York City on June 6, 1946, as the Basketball Association of America (BAA). The league adopted the name National Basketball Association on August 3, 1949, after merging with the competing National Basketball League (NBL). The league's several international as well as individual team offices are directed out of its head offices located in the Olympic Tower at 645 Fifth Avenue in New York, NY. NBA Entertainment and NBA TV studios are directed out of offices located in Secaucus, New Jersey. The Basketball Association of America was founded in 1946 by owners of the major ice hockey arenas in the Northeastern and Midwestern United States and Canada.\n"}, {"role": "user", "content": "Hi, do you enjoy watching the NBA?"}, {"role": "assistant", "content": "I do like to watch the National Basketball Association's games sometimes."}, {"role": "user", "content": "I see, do you when it was founded?"}, {"role": "assistant", "content": "It was founded on June 6, 1946."}, {"role": "user", "content": "That is quite along time ago. I wonder how many teams play in the NBA"}, {"role": "assistant", "content": "Currently 30 teams play for the NBA, one of which is a Canadian team"}, {"role": "user", "content": "A Canadian team?! I thought it was only for teams in the US. "}, {"role": "assistant", "content": "Me too. But it was founded by owners of major ice hockey arenas in the Northwestern and Midwestern US and Canada, which might explain why there is a Canadian team."}]