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

Example Input: Sentence1: Booking completed! Booked car type : red ford Contact number : 07059574947 Sentence2: Thats everything I needed thanks for the help! Sentence3: I'm afraid there aren't any theatres on the west side. most of our theatres are in the city centre. is there something else I can look up for you? Sentence4: Yes, I love museums. Sentence5: Yes I also need a taxi to arrive there by 18:00 from the theater. Sentence6: I'll be here any time. Sentence7: Can you find a restaurant called Rajmahal. Sentence8: There are several museums in the area. Would that interest you? Sentence9: Great, thanks. I'm also interested in attending a theatre on the west side. Sentence10: Ok are there any attractions in the west you recommend? I need a phone number for whatever you chose. Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1XCDMW6O . Sentence12: In the west if there are any there? Sentence13: Sure. It's an Indian place in the east area of town. What would you like to know about it? Sentence14: What entertainment choices are in the west? Sentence15: sorry, i couldn't find anything in the west. Sentence16: That's all I need to know. Can you reserve me a table for 3 Saturday at 18:00? Sentence17: How about the Kettle's Yard, there phone # is 01223748100 and they are on Castle Street. Admission is free too. Does this work? Sentence18: What side of town would you like to be on? Question: Who has spoken the sentence 13? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I need a place to stay with free wifi. Sentence2: Location doesn't really matter as long as there's free parking available. Sentence3: Ok, I have several hotels. Any particular location? Sentence4: How about the Gonville Hotel located in the centre area of town? Sentence5: What is their postcode? Sentence6: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Sentence7: I have several available. What is your price range? Sentence8: Between $100-$300 per night. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I apologize for all this confusion the type of lodging doesn't matter. I would like it to have free parking, be 4 star, moderately priced, and the area doesn't matter. Sentence2: I do have some guesthouses, but no hotels. Would you like reservations at one? Sentence3: I really would like a hotel not a guesthouse, can you please search again - open to all areas. Sentence4: Of course I can help you with that. What day will be arriving and for how many days will you be staying? Sentence5: I'm sorry there are no moderately priced hotels in the centre of town with free parking. Would you like me to check a different area or price range? Sentence6: Okay and what area would you like to stay in? Sentence7: I apologize, but the are no hotels available that meet the following criteria: free parking, moderate price range, 4-stars. Would you like me to change the search criteria? Sentence8: I found 29 places matching that criteria. Do you have a particular area you would like to stay in or a price range you would like to stick to? Sentence9: I have 9 guesthouses that meet your criteria. Is there an area you are interested in? Sentence10: I'd like to stick to a moderate price range. Sentence11: There is no certain area but I'd prefer a hotel. Sentence12: Okay, no problem! I recommend the Acorn Guest House. It has everything you're looking for. Sentence13: I would like to stay in town centr Sentence14: Great, can you please book it for me? There will be 7 of us staying Sentence15: I'm sorry but you will have to change some of your criteria if you would like me to find you something or accept a guest house. Sentence16: Can you double check for a 4 star hotel in the moderate price range with free parking? Sentence17: No that is all thank you very much Sentence18: I will be arriving on Tuesday and staying for two days please. Sentence19: Actually, the area doesn't matter. I just need a 4-star hotel in the moderate price range. Sentence20: Booking was successful. Reference number is : AKH4MCWD . Anything else I can help you with? Sentence21: Can you help me find a place to stay with free parking? Sentence22: You are welcome! Please don't hesitate to reach out if you need anything further, and until then goodbye! Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System