Chen can also pick up smells when passing in front of a hair salon or bakery, thus collecting clues as to how far she has walked, while Dian helps her avoid obstacles. If she gets lost, she leads the dog to a place with a lot of people around and asks directions.
的線索，Dian 則幫她排除障礙，一旦迷路，她就把狗狗引導到熱鬧的地方再問人。