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

Input: Consider Input: Sentence1: The postcode is cb41da. Is there anything else I can help you with today? Sentence2: There are 23 museums in town. Do you have a specific area you would be interested in? Sentence3: I need the post code also for the museum please. Sentence4: Acorn guest house looks available, would you like to book that? Sentence5: Their postcode is cb13ef. Is there anything else I can assist you with? Sentence6: Cambridge Artworks is in the east. They have no admission and their number is 01223902168 Sentence7: Yeah, can you have a taxi pick me up at the Acorn and take me to the Artworks, say around 24:45? Sentence8: Yes. I need a guesthouse. I should be a 4 star in the north. Parking is not important. Sentence9: I hope you enjoy your stay. Sentence10: No that's all I needed thank you! Sentence11: Not right now, but could you tell me their postcode? Sentence12: Which ever one is your favorite will do. Can I have their contact information and what is the entrance fee? Sentence13: Booking is complete. Your contact number is 07522217444. The car type will be a red tesla. Can I help you with anything else? Sentence14: I'm looking for museums in town. Can you recommend one? Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: i am sorry. i have double checked and still do not find anything matching your criteria. would you like a different star rating? Sentence2: I can help with that. What kind of price range do you have in mind? Sentence3: there are a variety of good things in the north it depends on what you want i will find whatever you request Sentence4: There doesn't appear to be a 4 star hotel with wifi in the north. Can I interest you in a lower star rating? Sentence5: i need a hotel with wifi in the north part of town Sentence6: Perhaps there is a guestroom? Sentence7: No but would you like to try another location ? Sentence8: No, the hotel needs to have a 4 star rating. Can you please check your system again? Thanks Sentence9: I am open as far as price range, but I would love a 4 star place. Sentence10: No I need the north. Is there anything else available in the north? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thank you goodbye. Sentence2: they are in the moderate price range and the address is King Street City Centre Sentence3: anatolia serves turkish food in the moderate price range Sentence4: what is the food type they are good at ? Sentence5: There are two moderately priced Turkish restaurants and one expensive one, all in centre area. Do you have a price range preference? Sentence6: Efes restaurant. Do you have any additional questions? Sentence7: What is the other turkish restaurant in the moderate price range? Sentence8: I need a restaurant that serves Turkish food. Sentence9: What is the address and price range? Sentence10: Good bye. Thank you for contacting us. Sentence11: I do not have a preference. Sentence12: They serve turkish food. Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System