user: Who is the best CEO in the world

assistant: Steve Jobs. Because of his invention.

user: Which is heavier: 1kg of flour or 1kg of steel?

assistant: A kilogram (kg) is a unit of weight, so it doesn't matter what material is being weighed - a kilogram will always be equal to a kilogram. Therefore, both weigh the same.

user: What is the Kentucky Derby Trophy

assistant: The Kentucky Derby Trophy is a set of four trophies that are awarded to the winning connections of America's most famous race: the grade one $3,000,000 Kentucky Derby. The owner receives a gold trophy while the trainer, the jockey and the breeder win a silver half size replica of the main gold trophy. The trophy itself has been run for since the 50th running of the Kentucky Derby in 1924. Churchill Downs Race Course of Louisville, Kentucky has annually presented a gold trophy to the winning owner of the famed "Run for the Roses."