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

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: Might I suggest the Autumn House. It is a cheaper guesthouse that offers both free parking and free internet. Would you like more info for them? Sentence2: It really doesn't matter. I don't need internet. I just for sure want a 4 star place. Sentence3: Thank you! Can you also get me a train going to Cambridge that day? Sentence4: Sure. There are six different options in that area. What were you looking for as far as price range and amenities? Sentence5: Is there anything else that you need? Sentence6: I need a 4 star hotel in the east, please. Sentence7: I think this is what I needed. Thanks. Sentence8: Sure! I just need to know where you plan on departing from and what time you'd like to leave. Sentence9: Booking was successful. Reference number is : 544D87NG . Sentence10: I need a room for 4 for 4 nights starting on Tuesday. Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thanks so so much! That's all now, bye! Sentence2: Yes. Can you please book a table for one at 12:45 on Friday? Sentence3: Yes please. I need it to be for 1 person for 2 nights starting on Friday. Sentence4: I have completed that booking. The reference number is A2Q5X07S . Can I do anything else today? Sentence5: Can you give me information on hotels in the centre? Sentence6: Your reservation at university arms hotel this friday for 3 days 2 nights for 1 person was successful. Your Reference number is : ZUWP7UJK . Sentence7: You are very welcome! Take care! Sentence8: Not interested in the price, but I would like it to be a 4-star hotel. Sentence9: Great, can you also find me a Japanese food restaurant in the expensive price range? Sentence10: I'm sorry. I needed a hotel, not a guesthouse. Sentence11: What price range are you looking for? Sentence12: The University Arms Hotel meets your criteria. Would you like to make a booking or more information? Sentence13: We have two. I recommend the alexander bed and breakfast guesthouse. Sentence14: Wagamana is good fit. Would you like me to make a reservation for you? Question: Who has spoken the sentence 10? (A) User (B) System
Example Output:
Answer: (A) User