It's an accounting procedure, a tax procedure, if you're familiar with that. Conceptually, if you are at the front end of the risk spectrum, finding new things, new plays, you take on quite a bit more significant risk in terms of finding something or not finding something. If you go around the world, generally speaking, in the absence of a lot of historical data, it is high risk. You can have a lot of failure, but in order to continue to—
On April 11th, 2017. See this statement in context.