but in this document it says that if the protocol gives the uka says that if the protocol gives the ukich it does by requesting that, so how is that our choice and not theirs? it is our choice as to which of those we wish to do and it's absolutely right, my honourable friend is right, that the fermentation period does need to have agreement with the european union and that is why have described this as a choice. it is for us to say whether we wish the backstop or implementation period to be extended which is right because that would be a matter of negotiation with the european union. there are arguments on both sides if we get to that point as to which of those would be prefera ble point as to which of those would be preferable for the uk, just as actually there would be arguments on both sides for the european union because the backstop is not actually an area, situation that the european union wants to get into either. well, an extraordinary day in the house of commons and you can continue to watch it on bbc parliament, but we are just going to move away from that discussion because