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

Q: Sentence1: I am not looking for British, I am looking for scottish food. Sentence2: I am looking for something in centre of town then Sentence3: I'm sorry but there are no moderately priced Scottish restaurants in town. Would you like a different type of food? Sentence4: I've booked your reservation. Is there anything else you need? Sentence5: Yes I have many moderately priced venues in the center of town serving British food if you like. Sentence6: I am looking for a moderately priced Scottish restaurant Sentence7: I'm so sorry but it seems that I don't show any that will suit what you are looking for. Would you like to try a different price range or type? Sentence8: There is la tasca. They are located at 14 -16 Bridge Street. Would you like to book it? Sentence9: Can I have a reference number please? Sentence10: Thank you too, good bye. Sentence11: Thank you. Have a lovely day. Sentence12: Yes, it's XXNQ81IE . Sentence13: Yes, Could you look for a Spanish restaurant instead? Sentence14: Yes please. Could you give me a table for tuesday at 12:00 for 2 people please. Question: Who has spoken the sentence 12? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Hmm. What about museums? Sentence2: Booking completed! Your contact number is 07349924614. The car type is a black ford. Can I help you with anything else? Sentence3: I don't care about wifi or parking. To be honest, I don't care what area it is in, either. What would you pick? Sentence4: Cambridge and county folk museum is available, would you like that? Sentence5: Can you tell what time you want to be picked up and at which location? Sentence6: I'm also looking for an attraction preferably on a boat in the west. Sentence7: Sure. That sounds good. Can I get their address and postcode please? Sentence8: Thanks! I also need a taxi between both locations, please. Sentence9: Wow that was fast thanks! No, that is all I needed. Hope you have a wonderful day. Sentence10: Sounds nice. What is the address and postcode please? Sentence11: I want to leave the hotel by 23:15. Sentence12: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence13: I'm looking for a moderately priced guest house. Can you recommend one? Sentence14: There are 15 options. Do you have a specific area you would like to stay in? And are you interested in wifi and parking? Sentence15: I would go with the Acorn Guest House if I were choosing a moderately price guesthouse. Sentence16: Sure their address is 2-3 Castle Street and the postcode is cb30aq Sentence17: The address is 154 Chesterton Rd, the postal code is cb41da, is there anything else that I can assist with? Sentence18: There are no boats in the west, can I try something else for you? Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Are there any good eastern European restaurants in the centre? Sentence2: Chinese is always a good standby when in doubt, lets look for a chiense place. Sentence3: Your welcome. Have a good day. Sentence4: Do any of them serve eastern European food? Sentence5: Reference number is : JKLWFR30 . Is there anything else? Sentence6: Jinling Noodle bar is a great moderately priced chinese restaurant in the centre. Would you like me to make reservations for you? Sentence7: Yes, it is a nice college in the city centre, located on Saint Andrew's Street. Sentence8: Can you get me information on a attraction called emmanuel college? Sentence9: Is there anything else I can assist you with? Sentence10: I'm afraid not. Would you like to look for a different type of cuisine? Sentence11: There are several, do you have a price range in mind? Sentence12: Thank you, goodbye. Sentence13: Moderately priced please. Sentence14: Okay thank you. That was all I needed to know. Sentence15: There are many places to dine Do you have any preferences ? Sentence16: Yes please make that for 4 people at 15:00 on a Sunday. Sentence17: There are 8 restaurants in the centre that serve European food. If you want to go with something cheap, I would suggest the River Bar Steakhouse and Grill. Sentence18: what about eastern european food? Question: Who has spoken the sentence 10? (A) User (B) System

A:
Answer: (A) User
****