user: What is a derivative in finance?

assistant: In finance, a derivative is a contract that derives its value from the performance of an underlying entity. This underlying entity can be an asset, index, or interest rate, and is often simply called the "underlying". Derivatives can be used for a number of purposes, including insuring against price movements (hedging), increasing exposure to price movements for speculation, or getting access to otherwise hard-to-trade assets or markets.

user: Who are the big six in EPL?

assistant: Arsenal, Liverpool, Manchester United, Chelsea, Manchester City and Tottenham are known as the big six in the English Premier League.

user: What is SSO?

assistant: Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems. True single sign-on allows the user to log in once and access services without re-entering authentication factors.