user: What was the relationship of the person who became MD at Grandmaster Capital Management to Paypal?

assistant: Jack Selby was former vice president of corporate and international development at PayPal.

user: How to play chess

assistant: To win the game of chess, a player must capture the opponent's king. This is known as "Checkmating" the king.

user: What is a sandworm?

assistant: A sandworm is a creature described by Frank Herbert in his science-fiction book Dune. Sandworms are huge and aggressive and live in the sand seas of planet Arrakis.