What happens when you make four thousand visits to fields across the country and count a million and a half invertebrates and half a million seeds?
Well, you come up with a report which despite being based on the biggest experiment of its kind in the history of the world the government thinks may not necessarily prove what it says its proves.
Field trial studies of three types of genetically modified crop were set up to answer the question of whether they were environmentally damaging.
Jeremy Paxman spoke to the Environment Minister, Elliot Morley. He asked him whether the findings provided enough evidence to stop GM crops being grown in Britain.