Input question: Which country was the last to join the Commonwealth, doing so in 2009?

Output answer: rwanda

Input question: Solid carbon dioxide is commonly known as what?

Output answer: dry ice

Input question: Which is the oldest Formula 1 racetrack that is still in use for grand prix racing?

Output answer: indianapolis usa

Input question: In poker, what is the name of a behavioral tick that gives away a players hand?

Output answer:
tell