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

Ex Input:
Sentence1: No, I'm not picky. Sentence2: I need a hotel with FREE parking Sentence3: The acorn house is moderately priced, 4 stars, and in the north. Sentence4: What is your arrival date and how many days will you be staying, please? Sentence5: I am looking for a place to stay. The hotel should have a star of 4 and should be in the type of guesthouse Sentence6: Thank you goodbye Sentence7: Okay. What part of town do you want to stay in? Sentence8: How about acorn house? They have excellent reviews. Sentence9: I'm sorry I don't need a reservation. Could you just confirm the price range, postcode and what area that is in? Sentence10: Thanks so much. I won't be needing anything further today. Sentence11: You read my mind. Yes, free parking. Sentence12: Do you have a specific pricerange you are looking for? Sentence13: Any part of town as long as it includes free parking. Sentence14: Yes, if Acorn House has free parking, please book my reservation. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: There are no architectural attractions anywhere in town? Sentence2: Alexander bed and breakfast is available, would that work for you? Sentence3: from what day should i book? Sentence4: Yes, I am looking for an expensive place to stay that includes free parking. Sentence5: Sure, that sounds good. Could you give me the information on All Saints Church? Sentence6: All saints church is listed as architecture, would you like to go there? Sentence7: I could not find any attraction that match your request. Can I look for museums? Sentence8: I'm just looking for something that is a guesthouse in the cheap price range. Sentence9: Sure! I have a few places in mind, but can you tell me if you prefer a particular area? Sentence10: No that was it. Thank you so much for your help. Sentence11: It is in the centre located at Jesus Lane and the entrance is free. Their phone number is 01223452587 and the postcode is cb58bs? Anything else I can help with? Sentence12: Starting Thursday. Sentence13: I'm looking for any type of architectural attractions in town. Do you have any recommendations? Sentence14: You have a room booked for Thursday. Reference number is U3DO9AJP . Can I help with anything else? Sentence15: Thank you and goodbye. Sentence16: can you book for 4 people 5 nights and get me the reference number please? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: I hope you enjoy your stay in Cambridge! Sentence2: That sounds great, can you tell me their postcode? Sentence3: I would also like to find out about any mutliple sports attractions you might have in the centre of town. Sentence4: I will be departing from birmingham new street. I don't really care about what time it leaves but I have to get there by 21:30. Sentence5: Train TR6105 will arrive in Cambridge by 12:23. It costs 75.10 pounds per ticket. Would you like me to book a seat for you? Sentence6: I do not have the entrance fee listed, but if you are interested in going there, you could call them at 01223576412 to determine their pricing. Sentence7: There postal code is cb23bu. Can I help you find anything else? Sentence8: Do you have a college attraction in the centre of town? Sentence9: Hi there. I would like to find a train to Cambridge for Thursday. Sentence10: No, that should be all, thank you. Sentence11: Sure. I found many listings. Where would you be departing from? What time do you wish to leave and arrive by? Sentence12: What is the price for that? Sentence13: I'm afraid we don't have anything like that. If you're willing to go to the east side there is the Cherry Hinton Village Centre. Or maybe something else? Sentence14: There are 13 colleges in the centre of town. christ's college is in the centre of town and the entrance fee is free. Sentence15: Will you need anything else at the moment then? Sentence16: No thank you. I think that was all the information I needed. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:
Answer: (A) User