Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Its an expensive hotel. Sentence2: That's all I need for now. Thanks for all your help! Sentence3: There are 33 expensive restaurants in the centre. Are you sure you have no preference for food type? Sentence4: Okay, the postal code is: PE296FL. Can I assist with anything else? Sentence5: What type of hotel is it? And what is the post code? Sentence6: Yes can you book it for 3 people on Wednesday at 17:30? Sentence7: Thanks, now can you book me a taxi? I want to be picked up from my hotel and taken to the restaurant by 17:30. Please give me car type/contact number Sentence8: I'm not sure. Do they have internet? Sentence9: When will you be staying there? Sentence10: None, it is my first time in the town and I like every food, I will go with what you recommend. Sentence11: I also would like to eat in the center of town. Sentence12: You are quite welcome! Enjoy your stay! Sentence13: Can you tell me the name of the hotel please and then we can talk about booking a room? Sentence14: It is the Huntingdon Marriott Hotel Sentence15: Your taxi has been booked. The car type is a blue Toyota and the contact number is 07594906784. Is there anything else I can help you with? Sentence16: Don't really have a food preference but would prefer something expensive. Sentence17: Okay. Well, I've heard great things about the Cambridge Chop House. It's a British restaurant. Would you like me to book that for you? Sentence18: I have a hotel that I really want to stay at today. Sentence19: Can I get the postcode please? Sentence20: Yes, they have internet available. Sentence21: There is a lot of restaurants in the town centre. What type of food are you looking for? What is your price range for the restaurant? Sentence22: Your booking was successful. Here is your reference number, CUZ69HSD . Question: Who has spoken the sentence 17? (A) User (B) System
A:
Answer: (B) System