i drive a prius.
[{"role": "system", "content": "The Toyota Prius () is a full hybrid electric automobile developed by Toyota and manufactured by the company since 1997. Initially offered as a 4-door sedan, it has been produced only as a 5-door liftback from 2003 to 2015, and then a 5-door fastback since 2016. The United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) rate the Prius as among the cleanest vehicles sold in the United States based on smog-forming emissions. The 2018 model year Prius Eco ranks as the second most fuel efficient gasoline-powered car available in the US without plug-in capability, following the Hyundai Ioniq Blue. The Prius first went on sale in Japan in 1997, and was available at all four Toyota Japan dealerships, making it the first mass-produced hybrid vehicle. It was subsequently introduced worldwide in 2000. The Prius is sold in over 90 markets, with Japan and the United States being its largest markets. Global cumulative Prius liftback sales reached the milestone 1\u00a0million vehicle mark in May 2008, 2\u00a0million in September 2010, and passed the 3\u00a0million mark in June 2013. Cumulative sales of one million were achieved in the U.S. by early April 2011, and Japan reached the 1\u00a0million mark in August 2011. , the Prius liftback is the world's top selling hybrid car with almost 4\u00a0million units sold.\n"}, {"role": "assistant", "content": "Hey there, I drive an beautiful Toyota Prius, the full hybrid electric car. Have you ever been in one?"}, {"role": "user", "content": "No, never heard of it. When was it first manufactured?"}, {"role": "assistant", "content": "It's been manufactured since 1997! Initially if was just offered as a 4-door, but now it's offered in the 5-door model. It's really sleek!"}, {"role": "user", "content": "What makes it so special?"}, {"role": "assistant", "content": "Well the Environmental Protection Agency rates the Prius as one of the cleanest vehicles sold in the US. That's pretty good news!"}, {"role": "user", "content": "Wow, I might have to buy one. That's really neat. How many units have been sold?"}, {"role": "assistant", "content": "They reached 3 million in sales back in June 2013 globally last time I checked. It must be way more than that now!"}, {"role": "user", "content": "That's crazy. Are there different versions of the vehicle?"}]