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: I don't have one. how about you pick your favorite attraction and give me the entrance fee, type and phone number. Sentence2: How does the cambridge belfry sound? It's in the west part of town and you'd have access to free parking, too. Sentence3: You're right, we should an attraction first. I'm pretty open to anything as long as its located in the centre. Sentence4: Thank you! Have a great day. Sentence5: Sure, the number is 01954714600. Sentence6: I would like to find an Indian food restaurant Sentence7: I really need a hotel and not a guest house are there any in the area? Sentence8: I'd like to know of interesting places to go situated in the centre of cambridge. Sentence9: Well, I have 44 great thoughts at hand, from beautiful architecture to museums and boating. Let's narrow down your interests- what's your attraction budget? Sentence10: I really like old schools. It is in the centre and has a phone number of 01223332320 Sentence11: looking for a place to stay. The hotel should be in the type of hotel and should include free wifi. The hotel should be in the cheap price range and should have a star of 4. Sentence12: Are you sure you're interested in a restaurant? I know you mentioned earlier you're looking for an attraction. Could you give me more specifics about what attraction you're searching for? Sentence13: Thank you. I don't need anything else from you today. Bye, have a good one! Sentence14: There's a ton of options in the centre. What type of attraction are you interested in? Sentence15: Sure, can I just get their phone number? Sentence16: I would suggest the acorn guest house. Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

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: Booking was successful. Reference number is : MZIURVDV . Sentence2: Area does not matter. Sentence3: I'm looking for a 4 star hotel with free wifi. Sentence4: Can we try a different one in the same price range? Sentence5: i have found 21 hotels that match your criteria. what part of town did you have in mind? Sentence6: That one is not open then, shall I try another? Sentence7: No,I will check husband and call back. Sentence8: Sounds great. Can I get it for 7 people? 4 nights starting Saturday Sentence9: I'd suggest the A and B Guest House in the east. It's moderately priced and meets your criteria. Would that work for you? Sentence10: Okay. Let us know. Sentence11: Thanks, that's all I need. Have a nice day. Sentence12: How about Warkworth House? It's also in the east, at warkworth terrace. Sentence13: Okay let's try booking that and get me a reference number. Sentence14: You're welcome. Goodbye. Question: Who has spoken the sentence 11? (A) User (B) System
Output: Answer: (B) System