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

Example Input: Sentence1: can you tell me what area that's in? Sentence2: The Avalon is a guesthouse at 62 gilbert road with free wifi but no parking. Would you like to book them or keep looking? Sentence3: A and B Guesthouse is in the east Sentence4: I have found 14 different guesthouses for you. What area are you interested in? and will you be needing parking? Sentence5: I'd like the accommodations to be a guesthouse, if possible. Sentence6: There are 3 hotels in the moderate price range with free internet. Do you want free parking and what area do you want to stay in? Sentence7: I need a guesthouse in the moderate price range with free wifi. Please let me know whether they have free parking. Sentence8: i'm looking for a moderately priced hotel that includes free wifi. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Graffiti sounds good. I actually need that reservation for 5 people at 20:00 on Wednesday. Can I have the reference number for that? Sentence2: There are two trains that would work. One arrives at 07:07 and the other arrives at 01:07. Which one would you prefer? Sentence3: I would recommend Graffiti. It is a bit expensive, so if you want something moderately price there is also Saint Johns Chop House. Sentence4: Great, thanks! That's all I needed right now! Sentence5: Alright, I've booked a train for your group, the reference number is AOIMGBHK, and there will be an 83 GBP fee at the station. Sentence6: What time would you like these reservations? Sentence7: I need to find a British restaurant in West Cambridge. Sentence8: i can definitely do that, how many tickets would you like? Sentence9: No, can you recommend a favorite? Sentence10: I would also like a train departing from london liverpool street and arriving in Cambridge at 09:00 on the same day. Sentence11: Please book 2 tables for 8 people on friday also i need train tickets for 8 people. Sentence12: There are multiple options for you. To narrow them down what price range do you have in mind? Sentence13: Can you book the train that arrives at 07:07 that one would work great. I need the reference number as well. Sentence14: it's for the same group of people Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : YYPPDY56 . anything else i could help you with? Sentence16: You're welcome. Have a great day. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm actually looking for something that has great architecture. Sentence2: There are three pizza huts. One in the city center, one in the east and one in the south. Which would you like information on? Sentence3: It doesn't matter. What is the food type and addresses? Sentence4: Actually, could you check if there is a pizza hut in fen ditton? If so, could I have the address and phone number? Sentence5: Old Schools is free to tour and the phone number is 01223332320. Is there anything else I can help you with? Sentence6: The Man on the Moon is a great concert hall. How does that sound to you? Sentence7: Happy to be of service. Thanks for using the Cambridge TownInfo centre, and have a great day! Sentence8: The school is fine. What is the entrance fee and phone number? Sentence9: There are 4 churches and a school. Do you have a preference? Sentence10: Thank you - that's all I need today. Sentence11: A friend was raving about this restaurant called Pizza Hut. Can you help me find it? Sentence12: I'm looking for an exciting place to go in the centre of town. Sentence13: Pizza hut city centre is located in the centre area and serves italian food and is in the cheap price range. Is any more information needed? Sentence14: Yes, there is! It's address is Cambridge Retail Park Newmarket Road Fen Ditton and it's number is 01223323737. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System