You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Let us know if you need anything else. Sentence2: Certainly, the address for Cityroomz is sleeperz hotel, station road postcode cb12tz. Is there anything else I can help you with? Sentence3: Great. Could you please tell me the entrance fee? Sentence4: im glad to have satisfied you Sentence5: I have 1 hotel and a 2 guesthouses available. Do you have a preference on the area or if it is a hotel or guesthouse? Sentence6: Thanks again. That's all I needed. Sentence7: There is no entrance fee. Sentence8: Cityroomz meets that description. Would you like to book it? Sentence9: May I please have the address and postcode for Cityroomz? Sentence10: Are there any nearby museums? Sentence11: The cambridge contemporary art museum is nearby. Sentence12: Wonderful! That is all I needed. Thank you so much! Sentence13: I would prefer a hotel that is in the centre of town and moderately priced if that helps narrow it down. Sentence14: Hi, I'm looking for a hotel, a 0 star hotel is fine as long as it includes free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

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: (B) System

Sentence1: I have about 8 trains going that route. The last train for that route arrives at 20:07. It leaves at 19:29. Would this arrival time work for you? Sentence2: Not a problem. What day will that be for? Sentence3: Okay great. Thank you very much. Sentence4: No thank you. Sentence5: Is there anything else I can help you with? Sentence6: I am sorry, I have no details for restaurants at your Bishops Stortford destination. Can I help you with anything else? Sentence7: Are you sure? If you know which area, (east, west, centre, etc...), or what type of food you're looking for, I would be happy to find you a restaurant. Sentence8: No, that's all. Thanks! Sentence9: I want to book a train that departs from Cambridge and arrives in Peterborough by 21:45. Sentence10: Yes, please book this for 4 people, please give me the reference number. Sentence11: I would like to book a restaurant for 4 people after I arrive. Sentence12: Ok. TR 4673 is booked for 4 people. The reference number is BY93GO28 . Sentence13: I would like to travel on Saturday., Cambridge to Bishops Stortford. Sentence14: You are welcome. Thank you for calling Cambridge TownInfo Centre. Goodbye. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System