One curve will be skewed to the left, the other to the right. Your mission, if you choose to accept it, is to determine which is which. This tape will self-destruct in ten seconds.
__________________
In vino veritas; in cervisia carmen; in aqua E. coli.
__________________
People say between two opposed opinions the truth lies in the middle. Not at all! Between them lies the problem, what is unseeable,eternally active life, contemplated in repose. Goethe