Dina Zaphiris, founder of InSitu, is playing "alert games" with Katy. Dina is beginning to deploy dogs from outside the room, to ensure the dogs work independently of the handler. Dina can see Katy, so she knows when to click the clicker and enter to give Katy her reward. Katy, however, can't see her handler Dina, so she must work independently. Katy has a very clear "down" upon finding the cancer.