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, I am also looking for places to go in town while we are visiting the area. Do you have anything of concert halls around the area? We love those. Sentence2: Yes, please, what is the phone number? Sentence3: I have that all booked for your stay. Your reference number for the room is ZUG88XKL . Is there anything else I can help you with? Sentence4: I am looking for a place to stay. It should be in a moderate price range and should be a star of 3. Sentence5: The phone number is 01223474144. Sentence6: Yes, I need a booking for 8 people for 5 nights starting Monday. Please include the reference number for the booking. Sentence7: Also the address to the man on the moon is 2 Norfolk Street. You have to call to inquire about the entrance fee. Have a Great day. Sentence8: We have one. The Man on The Moon. But it is located in the centre area of town. Would you like more information? Sentence9: Ok, perfect. Thanks! Sentence10: i have four results that match your request, do you need internet? Sentence11: I have the Hobsons House. It is a moderately priced guesthouse located in the west. Free wifi and internet. Can I assist you in booking a room? Sentence12: Internet is not necessary. But can you see if there is one in the west part of town and I would prefer a guesthouse. Question: Who has spoken the sentence 10? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: You're welcome, enjoy your day. Sentence2: How about Downing College? It has free admission and is located on Regent Street/ Sentence3: I'd like to visit a college in the center of town. Could you help me find something interesting? Sentence4: That sounds great! Can I have their phone number and postcode, please? Sentence5: No, that was all I needed to know. Thank you, you've been very helpful. Sentence6: Downing College's phone is 01223334860 and their postcode is cb21dq. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Great, thanks! What is their postcode? Sentence2: I need the travel time for 1 Sentence3: The travel time is 79 minutes, woudl you like me to book you? Sentence4: Hi I'm planning a trip to Cambridge and want to book a train. I would like to leave early Monday and arrive by 20:45 Sentence5: The postcode is cb17dy. Sentence6: How many tickets will you need? Sentence7: cineworld cinema's address is cambridge leisure park, clifton way. Sentence8: Thank you! That is all that I need. Sentence9: yeah that sounds good Sentence10: That's okay I'm looking to find a cinema in the south part of town though. Sentence11: I have a train leaving at 1836 and arriving at 1955, would you like me to book it for you? Sentence12: I'd like to go from Cambridge to Norwich. Sentence13: Enjoy your visit! Let us know if we can be of any further assistance. Sentence14: Where would you like to depart from? Question: Who has spoken the sentence 8? (A) User (B) System
Example Output:
Answer: (A) User