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: That will work. What is the price and arrival time for that? Sentence2: Where would you like to travel from and to? Sentence3: Sure, I have 7 trains that would work. The closest to your requested time is the TR5110 that leaves at 20:34. Sentence4: That will cost you 16.50 pounds and you will arrive by 21:24. Sentence5: Certainly. Home from Home is a guesthouse on the north end of the city. It offers free internet and parking and is moderately priced. Would you like to book a room? Sentence6: The train should depart from cambridge and travel to peterborough. Sentence7: You too. Goodbye. Sentence8: I would like to book a train that is running on Tuesday and departs anytime after 20:15, can you help me with that? Sentence9: Thank you have a nice day. Sentence10: Your booking was successfull! Reference number is I5VKNKJ3 Sentence11: That is great. I also want to know about a hotel called home from home. Can you find it for me. Sentence12: Yes. I would like to book for 8 people for 3 nights starting from Saturday. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I don't care when I arrive, but I need to leave after 10:00. Sentence2: Perfect, thanks so much for your help. Sentence3: Yes. Wednesday please. Sentence4: I have successfully make a booking for 5 on that train. Sentence5: Sounds great. Can I get their postcode please? Sentence6: Is there anything else I can assist you with today? Sentence7: Can you find me a train from Stansted Airport? Sentence8: Alright, thanks for contacting Cambridge TownInfo centre! Have a good day. Sentence9: TR0467 leaves the airport at 10:24. Would you like tickets for that train? Sentence10: No that is everything. Have a good day. Sentence11: Queen's college is an excellent choice. Sentence12: The postcode for Queen's College is cb39et. And the reference number for your train (booked earlier) is WMUC700A . Sentence13: Can I have the reference number please? I'm also looking for some places to go, maybe a college in the west. Sentence14: Not a problem. Any day in particular? Sentence15: There are plenty of options. Where will you be arriving and do you have a time preference? Sentence16: Yes, for five please. Question: Who has spoken the sentence 14? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes please do and send me the reference number. Sentence2: Castle Galleries is a lovely museum in the town centre. The address for the attraction is unit su43, grande arcade, Aaint Andrews Street. Sentence3: You are all set with the booking, the reference number is B8R0DO3L, can I help with anything else? Sentence4: My destination will be going from the Castle Galleries and going back to the Alexander bed and breakfast Sentence5: Sure, can you tell me your destination just so I can be sure to send it to the right place? Sentence6: Can you also provide the address to an attraction in the town centre? Sentence7: Have a great time. Sentence8: That is all I need today. Thank you. Sentence9: I need it for 7 people for 3 nights starting on friday please. Sentence10: Alexander bed and breakfast is a guesthouse in town centre with 4 stars in the cheap price range, and has free wifi. Shall I book a room for you? Sentence11: I can surely help with that. Which part of town are you specifically looking for? Sentence12: I don't care which part of town it is. I just want a cheap place with free wifi. Sentence13: I've booked a blue tesla, which you can reach at 07827647450. Anything else for you today? Sentence14: Thank you. I will also need a taxi to pick me up at the attraction by 21:30. Send me the contact number and car type please. Sentence15: What day would you like me book and how many days will you be staying? Sentence16: I need a hotel the next town over. Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System