I'm not sure what's allowed. Can use current seconds in someone's watch, for example? Or maybe ask some random person to say a random word, and then use the pos

I'm not sure what's allowed. Can use current seconds in someone's watch, for example? Or maybe ask some random person to say a random word, and then use the position of the first letter of that word in the alphabet? This sounds like a really fun problem but I'm certain about the rules.