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: Price doesn't matter. Do they have free parking? Sentence2: I need an expensive restaurant in west Cambridge. Sentence3: No I just need the reference number for the reservation for 3 people on Sunday at 16:15. Sentence4: Give me the address and phone number for the one you most recommend Sentence5: There are 33 options for lodging in town. Do you have a preference for area, price range, type, or star rating? Sentence6: No I am good! I do not need a taxi. Sentence7: Yes, both the establishments offer free internet as well. Sentence8: Do they have free wifi also? Sentence9: I would like a place to stay Sentence10: There are two places that meet your search criteria. Did you have a price range in mind? Sentence11: I have 5 restaurants that match what you're looking for. Would you like to try Tandoori Palace? Its located at 68 Histon Road Chesteron. Sentence12: No I believe we have got everything done. Goodbye. Sentence13: Do they offer free parking? Sentence14: I want Indian food. Sentence15: In terms of type, I want a hotel. And I'd like 4 stars and wifi as well, with a location in the south Sentence16: Happy to help. Have a great day. Sentence17: Yes, they do offer free parking. Can I book a room for you? Sentence18: We have several to choose from. Did you have a specific cuisine in mind? Sentence19: Sure. The reference number is CBAGG03S and your table will be reserved for 15 minutes. Is there anything else today? Sentence20: No thank you. I have all the info I need. Sentence21: Rosa's Bed and Breakfast is the one I recommend. It's address is 53 Roseford Road and it's phone number is 01223512596 Sentence22: Yes as a matter of fact they do. Sentence23: Will you need a taxi to get to tandoori palace? I can help with that. Sentence24: Can I help you with anything else today? Sentence25: I will book that for you. Would you like the phone number in case you change your mind? Sentence26: Sure, can I get a reservation for Sunday at 16:15? I will need a table for 3. Question: Who has spoken the sentence 16? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: How many tickets please Sentence2: I want to go to Cambridge on Wednesday. Sentence3: I can give you all kinds of information as well as book a ticket. Where are you going and when? Sentence4: Have a great stay in town. Goodbye. Sentence5: Train TR9741 arrives at 07:52 and I have booked you for 2,here is your information:Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : U44P6DQP . Sentence6: I want you to book it for 5 nights, starting wednesday. 2 people. Sentence7: Where will you leave from? Sentence8: Sure thing, what kind of information do you need? Sentence9: Nope, that's all I need today. Thanks for all your help. Goodbye! Sentence10: Okay that booking was successful. Your reference number is 2VD26230 . Anything else I can do for you? Sentence11: I am looking for information and would appreciate the help. Can you help with a train? Sentence12: Would you like to specify a departure or arrival time? Sentence13: I would need 2 tickets. Sentence14: Can you also look up the hotel Carolina Bed and breakfast? Sentence15: I will be leaving from ely. Sentence16: I need to arrive by 08:45 Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Certainly. The post code is cb2311 Sentence2: I have three places, would you prefer it still be cheap or would expensive work as well? Sentence3: No, I think that covers it all. Thanks so much for your help. Sentence4: I also need a place to stay in the centre. 1 star, please. Sentence5: We don't have any of those unfortunately. Would you like to try another type of cuisine? Sentence6: I need to find a cheap place to eat in Cambridge. Sentence7: Great! You're booked with a black tesla and the contact number is 07413441845. Is there anything else I can help you with? Sentence8: I have lots of options for you. Do you prefer a certain area or type of food? Sentence9: Yes, please book me for one person. Do they have internet and what is their phone number? Sentence10: That would be the gardenia, at 2 Rose Crescent City Centre. Would you like me to make a reservation? Sentence11: Cheap world food, please. Sentence12: Can you give me the postcode, please? Sentence13: How about any with 4 stars? Sentence14: I do not need the hotel booked, but I do need to schedule a taxi to take me from the hotel to the restaurant. Sentence15: You're welcome. Have a great day! Goodbye. Sentence16: Okay, when would you like to arrive by? Sentence17: I would like to leave the hotel by 02:45. Sentence18: Yeah, how about a Mediterranean restaurant in the centre of town? Sentence19: I don't have any 1 star hotels but I have a 0 star hotel called El Shaddai in the Centre. Would you like me to book it for you? Sentence20: Alexander bed and breakfast is a cheap 4 star guesthouse in the centre. Will that be okay? Sentence21: Thank you. Have a great day! Sentence22: You are very welcome! I hope you enjoy your trip and you can always let us know if you need any more assistance. Sentence23: Yes, they offer free internet and parking. Their phone number is 01223525725. In order to book that for you, can you tell me what day you want to start your stay? Sentence24: I would still like cheap please. Question: Who has spoken the sentence 17? (A) User (B) System


Output: Answer: (B) System