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

[EX 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
[EX A]: Answer: (A) User

[EX Q]: Sentence1: There are several hotels of that nature. What is your price range? Sentence2: Hotel allenbell is what I found that is cheap and has parking. Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: Could you get the postcode for Hotel Allenbell for me? Sentence5: Yes, please reserve the room. Sentence6: I am also looking for a place to stay in the east that includes free wifi. Sentence7: Actually, on second thought. I should book it later. But, can you book me a taxi from Allenbell to J Restaurant. I need to be there by 13:15. Sentence8: Thanks, I think that's all I need. Could you just confirm whether the Allenbell is a Hotel or a Guest House? Sentence9: Absolutely, your reservation's been made. Your reference number is YAHBIZR5 . Can I help you with something else? Sentence10: J restaurant is an asian oriental restaurant in the centre of town. It is cheap and located at 86 Regent Street City Centre. Sentence11: Hello I am looking for a restaurant called J restaurant Sentence12: Allenbell is a guesthouse. Sentence13: That sounds great. Can you reserve a table for 2 for Sunday at 13:15? Sentence14: What day will you be checking in, and how many will you stay for? I assume it is for 2 people? Sentence15: Thank you. That will be everything today. Goodbye. Sentence16: The postcode is cb13js. Would you like to get a room reserved? Sentence17: Your taxi was booked! The car type will be blue ford and the contact number is 07646890093. Sentence18: I'm looking for something cheap with free parking. Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Could you please clarify your departure location and arrival destination? Sentence2: Coming to Cambridge from broxbourne on Friday. Sentence3: Okay thank you that's all I needed. Sentence4: Yes thank you. I'd like to stay in Cambridge. We're looking for a hotel with free parking and free wifi. Sentence5: I need information on a train as well. It should leave after 18:45. Sentence6: Do you have one in the east with an expensive price range? Sentence7: There are quite a few like that. If you're open to guesthouses , Limehouse in the north of town is nice. Or were there other features you were looking for? Sentence8: Your booking was successful! Your reference number is JBBPQWA1 . Is there anything I else I can help you with today? Sentence9: yes, please. For 6 people for 3 nights starting on friday. Sentence10: It was a pleasure serving you. I do so hope that your stay in Cambridge is pleasant. Goodbye! Sentence11: TR5056 costs 17.90 pounds and the duration is 60 minutes. Sentence12: I have train TR5056 that departs at 19:32 and arrives by 20:32. Would that be something that would work for you? Sentence13: Yes, on, Holiday inn Exlpress, Cambridge, shall I book it? Sentence14: Yes, that would work for me.I will just need the price, train id and travel time. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System