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: No I have nothing in particular in mind. Sentence2: Thanks. I am also looking for somewhere to eat near the museum. I'd like to have Chinese food for dinner. Sentence3: Let's do a museum. Can you please send me the postcode, and phone number please. Sentence4: we can do Museum of archaelogy and anthropology, it is in university of cambridge, downing street. code number cb23dz. their phone number is 01223333516 Sentence5: There are 3 options. I recommend jinling noodle bar. Sentence6: Great, now can you also book a taxi for me? I need to make sure I get to the restaurant from the museum in time for that reservation. Sentence7: Booking completed! The car type is a black honda and the contact number is 07016630526. Can I help with anything else today? Sentence8: Thank you and enjoy the city! Sentence9: What time would you like? Sentence10: Thanks, that's it for now! Have a good day! Sentence11: There is lots to see in the centre. Were you looking for a certain type? Sentence12: Booking was successful. The table will be reserved for 15 minutes. Your Reference number is : YNWUFRQ4 . Sentence13: A moderate price range would be best. Sentence14: There are 10 Chinese restaurants in the centre. What is your price range, please? Sentence15: Would you be interested in architecture, a museum, or perhaps theatre? Sentence16: I'd like to find an interesting attraction in the city center. Sentence17: I would like to reserve it for 11:15 for 8 people. Sentence18: That sounds interesting. Can I get reservations for Thursday? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Galleria serves European food and is in the centre part of town and has a moderate price range. Sentence2: No restaurants serving australasian food can be found. May I find another type restaurant for you? Sentence3: Looking for someone that serves Australasian food? Sentence4: How about European food? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: We are happy to help, thank you for using our services. Have a wonderful day. Sentence2: Yes and please make the reservation for 8 and then send me the reference number. Sentence3: Great! I'm also looking for a train that'll leave Thursday from Cambridge. Sentence4: Any type is fine. Sentence5: Holy Trinity Church is a free architecture attraction. Their number is 01223355397 and they're located at Market Street. Sentence6: Booking was successful, the total fee is 132 GBP payable at the station. Your reference number is 0C232D2C . Is there anything else I can help with? Sentence7: Hello, I'm looking for places to go in the city centre. Sentence8: Well, I need to get to Peterborough, and I need to arrive by 12:15. What are my options? Sentence9: I have one that leaves at 05:00 on Thursday. Is that time alright for you? Sentence10: There are 44 different attractions in city centre. Is there any particular type that you would want to visit? Sentence11: TR5159 will depart cambridge at 11:06 on Thursday, arriving in peterborough at 11:56. Will that work? Sentence12: That is everything I needed. Thanks for your help! Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User