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

Example Input: Sentence1: I have 2 guest house.One is in the moderate price range and the other is cheap. Would you like to book one of these? Sentence2: There are no expensive hotels with 4 stars in the south with free parking? I'll take cheap if there aren't, but I need the address and phone number, please. Sentence3: I am looking for a hotel with a 4 star rating and price no more then 125 a night. Sentence4: Can you give me the phone number for Primavera? Sentence5: Primavera is in the centre at 10 King s parade. Admission is free. Can I get you a train or taxi as well? Sentence6: That sounds fine. Can you provide the phone number and address? And, is that considered a hotel or a guesthouse? Sentence7: Certainly! Phone number is 01223357708. Would you be interested in any restaurants or hotels while there? Sentence8: I am looking for a place to go in the centre of town. Sentence9: I have about 44 attractions to choose from in the centre. Can you tell me what type of attraction you are looking for? Sentence10: Yes, I would like to find a place to stay in the south with free parking. Could you help me? Sentence11: It is a guesthouse and the address is 53 roseford road. The phone number is cb22ha. Sentence12: Can you just choose one for me and give me the phone number? Sentence13: Please tell me your price range and hotel star rating preference. Sentence14: I'm sorry, can you provide that phone number again? I got a post code. Sentence15: I have rosa's bed and breakfast. It is in the south and cheap with 4 stars. Sentence16: I have 11 museums in the centre of town. They are all free. Do you have a type of museum in mind? Sentence17: The phone number for rosa's bed and breakfast is 01223512596 Sentence18: Maybe a museum would be nice. I am not sure. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: There are 8 trains. The latest one that would get you there on time leaves at 8:48 and arrives 9:38. Would you like me to book a ticket for you? Sentence2: Where are you traveling to and from? Sentence3: Thank you very much for all of your help. Sentence4: I am looking for a restaurant called Galleria. Sentence5: Would it be possible to book the same restaurant at 15:45? Sentence6: The travel time is 50 minutes and it costs 13.20 pounds. Sentence7: Okay you are welcome! Thank you for calling. Sentence8: I have made the reservation for 3 for Sunday at 15:45 at Galleria. Your reference number is DUY4H6WY . Is there anything else I can do for you? Sentence9: I've found Galleria, it is located at 33 Bridge Street in town centre. Would you like to make a reservation? Sentence10: Departure is Peterborough and arrival is Cambridge. Sentence11: Yes. I would also like to take a train on Sunday arriving by 09:45. Can you help me with that? Sentence12: Yes! I'd like a reservation for this Sunday at 16:45 for three people. Sentence13: Please give me travel time and the price, please. Sentence14: I'm sorry, but that time and day is unavailable. Would you like to try another day and/or time? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: No, thank you. I'm all set! Sentence2: Thank you and enjoy your stay! Sentence3: Yes I do! The hotel is located at 15-17 norman way, coldhams business park and the phone number is 01223866800. Would you like for me to book you a room? Sentence4: Ah yes. That worked. I have a booking for 3 people for one night. Your reference number is SERCRCLN . Is there anything else I can do for you? Sentence5: Yes, it's a museum in the city centre. Sentence6: Yes, please I would like a taxi to get me from the museum by 9:45 to my hotel. Sentence7: Can you try 1 night instead? Sentence8: I reserved a Blue Ford to pick you up at 9:45. The contact number is 07985144147. Is there anything else I can help you with? Sentence9: Yes, I would like to book the room for 3 people and 3 nights starting on Wednesday. Sentence10: I'm sorry, I was unable to book for that day. Would you like to try for another day or search for another hotel? Sentence11: I'd like the phone number and postcode for the museum. Sentence12: Phone number is 01223307402 and the postcode is cb23bj. Is there anything else I can help with? Sentence13: I'm looking for a hotel named Express by Holiday Inn Cambridge. Do you have any information on that? Sentence14: Sure, Is there an attraction called Castle Galleries? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User