Also I mean er we take your point and we've made it before Ken that there's a real danger of asking for a report from someone like Professor Gower and then  picking it, instead of actually taking the whole thing because it does actually add together in some sort of coherence erm and had Professor Gower's report been an exception in this entirety, we may not have been had the pleasure of having you back again today, but thank you very much, er all three of you for coming  points so clearly 