Given the task definition and input, reply with output. In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: Who hosted Top Chef? Passage:Top Chef: Just Desserts is an American reality competition show, spun off from Top Chef. It premiered on the cable television network Bravo on September 15, 2010. Top Chef: Just Desserts features pastry chefs competing in a series of culinary challenges, focusing on pastries and desserts. The show is produced by Magical Elves Productions, the same company that created Top Chef and Project Runway, and distributed by Bravo and Tiger Aspect USA. It is hosted by Gail Simmons, with head judge Johnny Iuzzini, head pastry chef at Jean-Georges. Other judges include Hubert Keller, owner of restaurant Fleur de Lys and a Top Chef Masters finalist, and Dannielle Kyrillos, "an entertaining expert and editor-at-large of DailyCandy".
a