You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: Pick any of them, please. Book it for 6 people and 3 nights, starting thursday. Sentence2: I need something with free parking and a 4 star rating. Sentence3: I have 24 guesthouses. Let's narrow it down a bit. Do you have a price range? Sentence4: I am showing 18 colleges. Is there a certain area of town you would like? Sentence5: What is the postcode of Corpus Christi? Sentence6: Booking was successful. Reference number is : 2WPLODLS . is there anything else i can help you with? Sentence7: Not really. Which do you think would be the most interesting to visit? Sentence8: That cuts it down to 16. I can recommend the Acorn guest house, or do you have a pricerange or area of town you want to stay in? Sentence9: I would suggest Christ's college in the city centre or Corpus Christi college in the west. Christ's college is free and Corpus Christi costs 2 pounds? Which do you want? Sentence10: Hello, any interesting colleges in town? Sentence11: Their postcode is cb21rh. Can I assist you with anything else? Sentence12: I am looking for a guesthouse to stay in. Question: Who has spoken the sentence 11? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: I need reservations for the same group of people at 17:00 on the same day. Sentence2: No problem. I've got your taxi booked. Anything else? Sentence3: Booking was successful! Your reference number is 6ZPBNFD5 . Sentence4: The booking was successful for 2 nights at the Acorn Guest House for one person. Your Reference number is L55JCSVU . Do you need anything else? Sentence5: I hope you have a very pleasant stay in our town! Sentence6: I meant to say I need to commute between the hotel and the restaurant. Sentence7: I think that would be great. May I please book that guest house for 2 nights starting from Friday for 1 person? Sentence8: Yes I would like it to be moderately priced. Thank you. Sentence9: Can I have the contact number and car type? Sentence10: Can you also look up the sitar tandoori restaurant? Sentence11: Booking completed! Booked car type : grey bmw Contact number : 07853122848 Can I help you with anythign else? Sentence12: Great. You are so helpful. One more thing, I need a taxi to arrive at the restaurant by the booking time Sentence13: Great! Thank you so much! Sentence14: What do you have in the way of guesthouses in the north? Sentence15: Well I can recommend the Acorn Guest House that is also rated 4 stars. Sentence16: There are 9 options that would suit those criteria, do you have any other things you need for your stay or would you like a recommendation? Sentence17: I have found 11 different guesthouses in the north. Were there any certain requirements you have in searching for a particular guesthouse? Sentence18: i have their info, what would you like to know? Sentence19: I can help with that. Where would you be departing from? Sentence20: Please provide a recommendation. Question: Who has spoken the sentence 15? (A) User (B) System

Answer:
Answer: (B) System