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: I am planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: book a table for 6 people at 11:15 on tuesday at the Hakka Sentence2: Sure what type of food are you wanting to eat? Sentence3: Do they have free wifi? Sentence4: I booked the taxi, it is a yellow tesla the contact number is 07809860598. Is there anything else I can assist with today? Sentence5: I will need a taxi to get to the restaurant. Sentence6: Booking was successful, and your reference number is TDVD6XSM . Is there anything else I can assist you with? Sentence7: That is all, thank you for your help. Sentence8: The Hamilton Lodge sounds perfect for you. Would you like to know more? Sentence9: I'm glad we were able to help. Sentence10: I would like to find an expensive restaurant in the north part of Cambridge. Sentence11: Yes, they do have internet. Shall I make a booking? Sentence12: There 2 of them - the Hakka and the hotpot. Which one would you like to try? Sentence13: Yes please. I want 4 nights from tuesday, and for 6 people. Give me the reference number too. Sentence14: I am looking for a hotel in the same area that has free parking. Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 48WF5G7X . Can I help with anything else? Sentence16: How about chinese food? Question: Who has spoken the sentence 15? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Yes sure! I have quite a few. Do you have a price range in mind? Sentence2: Thank you for using our service, and I hope you enjoy your meal at Meghna. Goodbye! Sentence3: Yes go ahead. How about Indian? They always have vegetarian options. I would like it to be moderately priced too. Sentence4: For moderate pricing, I have the Meghna restaurant in the west. It's located at 205 Victoria Road Chesterton. Can I reserve you a table? Sentence5: I am looking for a restaurant in the west that serves vegetarian food. Sentence6: No thanks, I'd like to give them a call instead. What is their phone number? Sentence7: Of course. It's cb43lf. Can I help you with anything else? Sentence8: Oh yes, actually I need the postcode too. Sentence9: Unfortunately, I don't happen to show any restaurants specializing in vegetarian food. Can I try looking for another type of restaurant for you? Sentence10: I want a Moderate price range please. Sentence11: No, that is everything. Thank you for your help. Sentence12: The contact number for the Meghna is 01223727410. Is there anything else I can help you with? Question: Who has spoken the sentence 5? (A) User (B) System

Answer:
Answer: (B) System