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

Example Input: Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Hmm. What about museums? Sentence2: Booking completed! Your contact number is 07349924614. The car type is a black ford. Can I help you with anything else? Sentence3: I don't care about wifi or parking. To be honest, I don't care what area it is in, either. What would you pick? Sentence4: Cambridge and county folk museum is available, would you like that? Sentence5: Can you tell what time you want to be picked up and at which location? Sentence6: I'm also looking for an attraction preferably on a boat in the west. Sentence7: Sure. That sounds good. Can I get their address and postcode please? Sentence8: Thanks! I also need a taxi between both locations, please. Sentence9: Wow that was fast thanks! No, that is all I needed. Hope you have a wonderful day. Sentence10: Sounds nice. What is the address and postcode please? Sentence11: I want to leave the hotel by 23:15. Sentence12: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence13: I'm looking for a moderately priced guest house. Can you recommend one? Sentence14: There are 15 options. Do you have a specific area you would like to stay in? And are you interested in wifi and parking? Sentence15: I would go with the Acorn Guest House if I were choosing a moderately price guesthouse. Sentence16: Sure their address is 2-3 Castle Street and the postcode is cb30aq Sentence17: The address is 154 Chesterton Rd, the postal code is cb41da, is there anything else that I can assist with? Sentence18: There are no boats in the west, can I try something else for you? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I am looking for one on the east side. However I need a indian restaurant not chinese. Sentence2: I want to leave the restaurant by 1:15. Sentence3: No thank you that is all. Sentence4: Preferably in the east. Would like the phone number. Also looking for colleges to visit and need to book a taxi for 1:15. I will need the number and car type. Sentence5: Your booking is completed. A black skoda will be picking you up, their contact number is 07824442963. Can I help with anything else today? Sentence6: At what time would you like to leave the restaurant? Sentence7: Can you tell me the address to a Chinese restaurant in Cambridge? Sentence8: any price range is ok. I am also looking for places to go in town. The attraction should be in the type of college Sentence9: There are several Chinese restaurants in town. Which specific part of town are you interested in? Sentence10: There are Indian restaurants in the centre, south, east, north, and west. Do you have an area preference? Sentence11: Sounds good. Could you give me an idea of colleges I can visit whilst in Cambridge? Sentence12: Okay, how about curry prince? It is moderately priced and located in the east. Their phone number is 01223566388 Sentence13: Sorry about that. I have 4 Indian restaurants on the east side. Do you have a price range you'd like to stay within? Sentence14: sure there's corpus christi, located in the centre and clare hall which is in the west. Sentence15: i do not have a place by your description. can we change location? Sentence16: Sure, let's do Corpus Christi. Could you get me a taxi from the restaurant to the college? Sentence17: If you need anything else, please call us back. Have a great trip to Cambridge! Goodbye. Sentence18: Price doesn't matter. What restaurant do you recommend? Sentence19: Let's actually find an Indian restaurant first. What areas of town have indian places? Sentence20: I can help with all of those but first let's find a restaurant for you. Do you have a price range? There's 2 moderate and 2 expensive restaurants. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User