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

Example Input: Sentence1: Yes, it has free internet and parking. Sentence2: That sounds fun! Could you tell me the phone number, area, and entrance fee for cafe jello gallery? Sentence3: Yes, I have found the Cambridge Belfry that is in the west part of town. Can I book this hotel for you? Sentence4: I am having an issue booking your hotel room for you. Sentence5: Lots of exciting things include 13 in the west area, and type of place in mind? Sentence6: Okay I was able to book you. Your booking was successful. Your Reference number is : 91SNR681 . Sentence7: No, it's a hotel. Would you like to book your stay? Sentence8: Do they have free wifi as well as parking? Sentence9: You know, the part of town doesn't so much matter, I'd really like to find a guesthouse with free wifi and parking. Sentence10: Yes please try again. Sentence11: Can I recommend the cafe jello gallery. Sentence12: the cambridge belfry is in the cheap prise range would you like a booking? Sentence13: Great. How many people in your party, and what day will you be arriving? Sentence14: I'm thinking a museum. Sentence15: Yes please. Sentence16: Hello, can you recommend a cheap hotel with free parking, please? Sentence17: Entrance is free. The phone number is 01223312112, and the area is the west. Sentence18: Is this a guesthouse? Sentence19: How about switching it to 8 people for 1 night? Sentence20: There will be 8 of us for 2 nights starting saturday Sentence21: I think that's all I need for today. Thanks. Goodbye. Sentence22: I'm sorry that doesn't seem to be available. Would you like me to double check for a guesthouse? Sentence23: Have a great trip. Goodbye. Sentence24: Are there any fun places to go ? Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: what is your price range for that? Sentence2: you selected attraction can you please correct so I can search. Sentence3: Can you give me the postcode and address please? Sentence4: What is the address for Gonville and Caius College? Sentence5: I'm happy to be of help. Take care. Goodbye. Sentence6: Pizza Express is a moderately priced Italian restaurant in the center of town. Do you need more information? Sentence7: The gonville caius college would be a nice attraction. Could I get the address please? Sentence8: I would recommend gonville and caius college, that is a nice campus in the centre area and best of all, admission is free, would you like more info? Sentence9: I need some information on a place called Pizza express. Sentence10: Thank you. I look forward to the day in town. Goodbye. Sentence11: I don't care about that but I would like the address and area of the college I visit. Sentence12: Yes, I'm looking for colleges to see in town. Can you help me with that? Sentence13: It is located on trinity street. Sentence14: Of course. The postcode is cb21db and it is at Regent Street City Centre. Can I help you with anything else today? Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you for calling and if you need anything else don't hesitate to call again. Enjoy your dinner and hotel stay! Sentence2: Yes book it for Saturday. 6 people, 5 nights. Sentence3: the cambridge belfry is in the west. It's a cheap 4 star hotel. Are you interested in booking a night? Sentence4: Yes, it's a luxurious place on the west side. Would you like the number, or a reservation? Sentence5: I was hoping to find a hotel that is 4 star. Sentence6: I'm looking for a place called maharajah tandoori restaurant. Do you know it? It's a restaurant. Sentence7: I don't care, just as long as it's in the moderate price range. Sentence8: Yes, I would like to make a reservation for 6 people at 19:30 this Saturday. Could I also get the reference number? Sentence9: You have 11 options. They are all guesthouses. Would you like free parking or internet at your location? Sentence10: Yes! Your all set confirmation number is QX0059LN, anything else today? Sentence11: That is all I need. Sentence12: Oh, I really prefer a hotel. Maybe you could find someplace that is cheap instead? Sentence13: You are all set, the reference number is OEX7Z2S0, can I assist with anything else today? Sentence14: What part of town are you looking at staying in? Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System