I'm not so sure.
In any case, I have a number of issues. I just wondered it you had done any work in these areas: sustainable in the context of the oil sands development, or sustainable development from the point of view of the consumption of water. I don't know if you look at only our physical resources, but there are huge issues in Fort McMurray with respect to the social pressures.
In terms of the amount of natural gas that is consumed, the net energy to get out the oil sands production, I'm wondering whether that is something you've looked at. Is that something you're concerned about?