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: Reference number is 29IN9CT3 for the acorn guesthouse. Sentence2: Sounds great if it is portuguese. I'll take a reservation for 7 people at 20:00 for the same day. Sentence3: Okay, how about the Acorn Guest House in the north? Sentence4: There is. How does Nandos City Centre sound? Sentence5: Okay, it was my pleasure to assist you! Bye! Sentence6: No, that's all I needed today. Thank you for your help! Goodbye! Sentence7: do you have one the is portuguese food ? Sentence8: I'm looking for information on 4-star rated guesthouses in Cambridge Sentence9: You're all set. Your reference number is 6R5W1RRE and your table will be reserved for 15 minutes. Anything else? Sentence10: I suggest the dojo noodle bar, an asian oriental restaurant, would you like to make a reservation? Sentence11: Sure. Can we spend 5 nights starting on Sunday? I am going to need room for 7 people. Sentence12: I have a number of 4 star guesthouses available, would you like to book one in a particular area? Sentence13: I would also like to eat somewhere cheap in the middle of town. Sentence14: Not really. Could you suggest one with free parking? Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I want to know if the Worth House is still renting rooms. Sentence2: Yes make the booking or me for 2 and provide the reference number. Sentence3: Ok, I was able to make your reservation. Your total fee is 33.2 GBP. Your Reference number is : POE0NTR1 . Sentence4: yes book for 2 people and 3 nights from thursday Sentence5: Thank you very much. That is all the information I need. Sentence6: The TR1047 leaves Cambridge for London Liverpool Street Wednesday arriving at 07:27. The price is 16.60 lbs. Can I book it for you? Sentence7: Where are you departing from, and what day? Is there a certain time you need to leave or arrive by? Sentence8: i am planning your trip in Cambridge Sentence9: Sure, you really should be more pleasant. I need to get to London Liverpool Street on Wednesday by 20:45 please. Sentence10: Okay great! Have a great trip! Sentence11: Thanks. I also need to find a train to london liverpool street. Sentence12: Are you planning a trip to Cambridge? If so, what type of information are you looking for today? Sentence13: Since this is the cambridge help desk, I assumed that, I really need the date and time to get you booked. Sentence14: I am leaving from Cambridge. Sentence15: Yes they are. Would you like to book a room? Sentence16: Booking was successful. Reference number is : WX6QA7D0 . Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I would like to book a table for 5 people at 17:45 on Wednesday. Also could you give me the reference number? Sentence2: Absolutely. It is an indian restaurant located in the centre. It is in the expensive price range. Sentence3: There are several guesthouses/hotels that are available. What price range are you looking for? Sentence4: I am not looking for a specific price range but I do need it to have free wifi and free parking. Sentence5: I was able to book you a table at the restaurant. It will be reserved for no more than 15 minutes. Is there anything else i may help you with? Sentence6: Sure thing - The Allenbell is located at 517a coldham lane, cb13js. Is there anything else I can help you with today? Sentence7: There are 25 lodging options that have both free WIFI and parking, do you have an area in mind to stay in? Sentence8: No, thank you! That'll be all for today! Sentence9: I need information on a restaurant called saffron brasserie please. Sentence10: I would like a guesthouse on the east side of town. Sentence11: No, I'll take the address for the first one listed. Sentence12: There are 5 such places. Do you have a preferred price range? Sentence13: Yes I'll also need a place to stay as well as a reference number for my reservation. Sentence14: Alright, have a nice day. Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System