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 specific area. Sentence2: Thank you, goodbye. Sentence3: I have found no restaurants serving Christmas food in the expensive price range. Would you like a different type of food? Sentence4: phone number and address of Cambridge Lodge Restaurant please Sentence5: is there any area you prefer! Sentence6: I want to find an expensive restaurant serving christmas food. Sentence7: Thank you for using the Cambridge restaurant system. Goodbye. Sentence8: Are there European types of restaurants? Sentence9: Cambridge Lodge Restaurant is in the west part of town, at Cambridge Lodge Hotel 139 Huntingdon Road City Centre. Their phone number is 01223 355166. Sentence10: Yes, there are four: cambridge lodge restaurant, eraina, and michaelhouse cafe serve european food, with darrys cookhouse and wine shop serving modern european food Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I am looking for a place to stay Sentence2: Sala Thong serves Thai food and is located at 35 Newnham Road, Newnham cb39ey. Their phone number is 01223323178. Can I help with a booking? Sentence3: Thank you! Good bye. Sentence4: There are a lot of guesthouses that meet that criteria. Do you want to stay in a particular area? Sentence5: let's book it for wednesday please. Sentence6: Yes. Where is a good expensive restaurant in the West area of town? Sentence7: What's the address, postcode and phone number of the thai restaurant? Sentence8: I think we're jumping way ahead of ourselves here. Let's start afresh. Please get me the address to the acorn and then we can proceed with getting a taxi Sentence9: There's british, european, indian, and thai. Sentence10: What day and time would you like me to reserve the restaurant for? Sentence11: No, I don't care about the location. I do want a 4 star place though. Sentence12: I'm looking for a guesthouse with free parking and free wifi. Sentence13: I will definitely be able to help you with that. Did you want a hotel or a guest house? Sentence14: Yes can you please book that for me? Sentence15: Can you give me some examples of the type of cuisine that is available? Sentence16: There are nine expensive restaurants in the west, is there a particular type of food that you are interested in? Sentence17: Thank you for calling Cambridge TownInfo centre. It was a pleasure to help you. Sentence18: The acorn guest house has a 4 star rating and is in the moderate price range. It is in the north area. Would you like to reserve a room? Sentence19: The address to acorn is 154 chesterton road. Sentence20: How many people will the booking be for and what time would you prefer the booking to be at? Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: No thank you! I will give them a call. Sentence2: There are two. One is cheap, one is expensive. Which do you prefer? Sentence3: Ok. that phone number is 01223351241. Would you like me to book you a reservation? Sentence4: Thanks! What's the phone number? Sentence5: Do either of those have free wifi? Sentence6: Either as long as it includes free parking and internet is optional. Sentence7: Both alexander bed and breakfast and university arms hotel offer those amenities. Would you like more information on either of these options? Sentence8: You're very welcome. Good day! Sentence9: Do you need any further assistance? Sentence10: Alexander bed and breakfast can be reached by phone at 01223525725. Do you want university arms phone also? Sentence11: Sure. Please give me that one as well. Sentence12: No thank you, I appreciate all your help! Sentence13: yes. both have WiFi connection Sentence14: I'm in need of a place to stay for the night, I'd like it to be in the centre of town and have at least a 4 star rating. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output:
Answer: (B) System