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: Can you recommend a moderately priced restaurant in the South part of town? Sentence2: could i have the address and phone number please? Sentence3: sure, pizza hut cherry hinton is located at G4 cambridge leisure park clifton way cherry hinton and the phone number is 01223 413000. Is there anything else I can help you with? Sentence4: Would you prefer Italian or Modern european food? Sentence5: I don't care. Either one is fine. Sentence6: No, that is all I needed. Thank you. Bye bye. Sentence7: How about Pizza Hut Cherry Hinton. It serves Italian food, is in the moderate price range, and in the south part of town. Sentence8: Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: What is the address? Sentence2: Indian, Italian and British restaurants are available in the west part of town for a moderate price. Would you like more information on any or all of these? Sentence3: No, the west part of town Sentence4: I don't have a preference as long as it's moderately priced and in the west part of town. Sentence5: Meghna is an Indian restaurant, it is in the moderate price range, and it is in the west part of town. The address is 205 Victoria Road Chesterton. Sentence6: May I suggest curry prince, a moderately priced indian restaurant in the east? Sentence7: I would like a moderately priced restaurant in the east part of town Sentence8: Did you want the address for an Indian, Italian, or British restaurant? Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, I can help you with that! What type of food would you like to eat and what is your price range? Sentence2: Thank you. I also need a train the same day. Sentence3: Booking was successful, the total fee is 79.19 GBP payable at the station .Reference number is : 8M72FMPK . Sentence4: Well, I am coming to Cambridge and was hoping to try some local restaurants. Can you help me with my choices? Sentence5: I want ot get in by 8:00, I need to get in in plenty of time for my Sunday booking. Sentence6: I'll give that a try. Book a table for 6 people for Sunday at 12:30 please. Sentence7: I need something expensive please preferably in the North. Sentence8: Did you have an arrival or departure time in mind? Sentence9: Thanks for contacting us, have a pleasant stay! Sentence10: The TR7721 would work for you, do you need a booking? Sentence11: Ok, let's narrow this down a bit. Where would you like to depart from and where are you going? Sentence12: Thanks you, that is everything, you helped me a lot. Thanks a bunch!! Sentence13: If you like European food, I'd recommend City Stop Restaurant. Sentence14: I am departing from Peterborough and going to Cambridge. Sentence15: Thank you. I have booked you a table for six on Sunday at 12:30 at City Stop Restaurant, and your reference number is CAWRD4D1 . Sentence16: Yes, I need 6 tickets and the reference number of the booking. Question: Who has spoken the sentence 12? (A) User (B) System
Output: Answer: (A) User