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

Example Input: 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
Example Output: Answer: (B) System

Example Input: Sentence1: Great. Can you let me know the address and entrance fee? Sentence2: Is there a certain cuisine you are interested in eating? Sentence3: You are welcome. Thank you for using Cambridge TownInfo centre to plan your visit. Goodbye. Sentence4: There is not an expensive Austrian restaurant in the area. Is there another cuisine you'd like to try? Sentence5: How about cheap price range ? Sentence6: No, there are no places that serve Austrian food, anywhere. Sentence7: Thank you. That was all I needed today. Goodbye. Sentence8: Yes, I was hoping for Austrian food. Sentence9: Hello, I am interested in seeing the attractions on the west side of town. Can you assist me? Sentence10: No indian makes me get the runs. How about pizza? Sentence11: I'm afraid there aren't any Austrian restaurants in town at all, regardless of price. Is there anything else that could be acceptable? Sentence12: On the west side please Sentence13: Yes, Im looking for a nice high end expensive place to dine at in the same area. Sentence14: Clare hall is a college in the west part of town. Sentence15: Well, don't say I didn't warn you. We have 14 expensive Indian places in Cambridge, what side of town are you looking for? Sentence16: There are a few available but I suggest the Rice Boat. Would you like for me to book a table? Sentence17: The rice boat is located at 37 Newnham Road Newnham. Sentence18: The address is herschel road and it is free. Can I help you with anything else? Sentence19: do they serve austrian food? Sentence20: No, can you just give me the address, please? Sentence21: That's more information than I needed to know. I'm sure your supervisors wouldn't approve. I was looking for expensive indian food, please. Sentence22: What about an expensive Indian restaurant, then? Sentence23: How about an expensive indian restaurant in the west? Sentence24: there are 5 places in the west. if you want a suggestion, my friends always go to tandoori palace. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Would you like to stick with Asian Cuisine? Sentence2: Any kind of entertainment in the Centre please. Sentence3: Great. Can you please give me the address? Sentence4: I'm sorry but I can not book that. Sentence5: Can you please just book me for taxi service? Sentence6: Hmm, how about 11:00? Sentence7: I am sorry I cannot book it at that time. Would you like to try another restaurant? Sentence8: Alright. How many people is this for? Sentence9: Sure, what do you have available? Sentence10: Great, can you also book a taxi for me? Sentence11: Absolutely! The address is 2 norfolk street. Sentence12: You are welcome. Thank you for your patience. I'm sure you will have a delightful visit to Cambridge. Goodbye. Sentence13: Yes, the type of concert hall. I need address and a taxi for 11 and the car type and contact number please Sentence14: What kind of attraction would you like to see? Sentence15: I just need it to arrive at the restaurant at the correct time. Sentence16: Sorry, the restaurant can't accommodate you during that time. Sentence17: I do need the departure place and destination in order to book the taxi. Sentence18: It will be for six people. Sentence19: Can you book it for 11 instead? Sentence20: Would you like a reference number. Sentence21: I'm looking for a restaurant called Thanh Binh. Can you help me find it? Sentence22: I'm sorry. I'm not sure what is going on. It will not let me book. Would you like to try a different restaurant? Sentence23: I have booked you with a blue honda to arrive by 12:00 at the restaurant. The phone number to contact them is 0713064642. . Sentence24: Yes but if you could book it for 6, at 12:00 on friday, that would be good. Sentence25: Yes, please. I need it to get to the restaurant in time for that reservation. Sentence26: From the concert hall to the restaurant. Sentence27: No thank you. Can you help me find an attraction? Sentence28: Nothing was found. Shall I look for entertainment in a different area? Sentence29: You are in luck, I have managed to get you a table for 6 at 12:00 Friday at Thanh binh. 9N8M4HQ9 is the reference. Would you still like a taxi? Sentence30: Where are you departing from and where are you headed? Sentence31: Sounds perfect. Could you book it for myself and five others on Friday? Sentence32: Absolutely! Thanh Binh is a wonderful vietnamese restaurant in the west. It is relatively cheap. Would you like any more information about them? Sentence33: Thank you, that is everything. Sentence34: I can, would you like the reference number? Sentence35: Can you please try again at 12 on friday? Sentence36: How about 11:00 that day? Sentence37: Looks like my system is acting up and can't accept you for 11:00. Want to try for another time? Sentence38: Yes, please try for 12:00 Sentence39: I'm sorry I am unable to book that. Sentence40: There is one concert hall in centre. It is called the man on the moon. Sentence41: I need to book a reservation for you to tell the taxi man... Sentence42: Of course I would like the reference number. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System