. >> using that example, whoi would we want -- i understand the use of the primary concern and something like blueberries and jam doesn't seem that significant of a difference. >> i think part of the concern is that as part of the -- well, this is especially in our district and part of the accessory use controls is that you cannot sell stock and trade from your home. another issue is that it's very hard for us to control if the pies you bake were actually from the blueberry bushes in your backyard. at what point -- i don't know if the planning department is equipped to say this is san francisco blueberries and these are from whatnot. and i believe we have an issue with how we grapple with the enforcement on that. commissioner borden: and if we added value added and the blueberry and would kitchen requirements be kicked in? >> i believe that would have to be regulated under the department of public health. and it is my understanding that they go around. >> and the guy from urban agriculture, can you answer that question about value added goods like the blueberry -- you can come to the pod

residents whois to pursue the training in u.s. universities. so, these are the results i apologize for the technical table which is coming from the paper is held. so we are looking at what compares among three groups o students. and in that table they can mostly be interpreted with differences. so the chinese students are about 25% to 40% low productivity of students. what we do in current one is put all the students together and then to compare students one and the same programs. and in the same advice he appeared as result. if 20% to 25% more papers and that is why we have the numbers and fellows. and you can see the difference between the chinese students and other students are same order of magnitude. so many students do almost as ll as the fellows. at least we extend the same programs, so we're working with the same advisors. the interesting part is why is that the chinese students do well and so stories are following. they have announced a man for education, but to another sound, demand by chinese universities have present. so there are d