to read the product label, to contact their supplier and order products that are labelled unflavored or unsweetened. and then when the volunteers come out, as well as city department staff, we're planning on two phases of face-to-face contact with each retailer. to show us what product that you're specifically asking about, so we're able to bring it back to the office and do research. finally, our advice, err on the side of caution. if the vendor doesn't know and the health department doesn't know then the retailer can choose not to sell the product. we are also encouraging our retailers to stay up to date with the latest information. that's why reading their mailers and we're sending out e-mail to frequently check environmental health website and contact san francisco 311. there is very -- two very, very important partnership was the city departments, office of economic workforce development, to make sure we're engaging our retailers and getting feedback. and then 311. so those two agencies are really beneficial in helping us to make sure that information is readily available and accessible to the