You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[Q]: Sentence1: No that's all I needed. Thank you! Sentence2: Mumford Theatre sounds great. May I have their address and entrance fee, please? Sentence3: The bridge guest house phone number is 01223247942. Can I help you with anything else? Sentence4: Hi, I'm traveling to Cambridge and I'm excited about tourist attractions. I'm looking for theatres in the centre of town. Sentence5: Can I please get their phone number as well? That's all I'll need for the day. Sentence6: I have many. May I suggest either The Cambridge Arts Theatre or Mumford Theatre? Sentence7: Unfortunately I am unable to find information on the entrance fee but the address is anglia ruskin enterprise, east road. Their phone number is 08451962320 Sentence8: Sure. The Bridge Guest House is at 151 hills road. Did you need any other assistance? Sentence9: Alright, thank you. I'm also looking for a particular hotel. It's called the Bridge Guest House, could you help me find it? Sentence10: You are very welcome, anytime. Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: There are several hotels of that nature. What is your price range? Sentence2: Hotel allenbell is what I found that is cheap and has parking. Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: Could you get the postcode for Hotel Allenbell for me? Sentence5: Yes, please reserve the room. Sentence6: I am also looking for a place to stay in the east that includes free wifi. Sentence7: Actually, on second thought. I should book it later. But, can you book me a taxi from Allenbell to J Restaurant. I need to be there by 13:15. Sentence8: Thanks, I think that's all I need. Could you just confirm whether the Allenbell is a Hotel or a Guest House? Sentence9: Absolutely, your reservation's been made. Your reference number is YAHBIZR5 . Can I help you with something else? Sentence10: J restaurant is an asian oriental restaurant in the centre of town. It is cheap and located at 86 Regent Street City Centre. Sentence11: Hello I am looking for a restaurant called J restaurant Sentence12: Allenbell is a guesthouse. Sentence13: That sounds great. Can you reserve a table for 2 for Sunday at 13:15? Sentence14: What day will you be checking in, and how many will you stay for? I assume it is for 2 people? Sentence15: Thank you. That will be everything today. Goodbye. Sentence16: The postcode is cb13js. Would you like to get a room reserved? Sentence17: Your taxi was booked! The car type will be blue ford and the contact number is 07646890093. Sentence18: I'm looking for something cheap with free parking. Question: Who has spoken the sentence 8? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: I would like to dine at 13:30 and I also need the reference number. Sentence2: I also am looking for a place to stay, it will need to be on the east side and have free parking, I don't need internet. Sentence3: Thank you for all your help. That sounds perfect. Sentence4: You are quite welcome. Please enjoy your stay in Cambridge! Sentence5: Sure on the east side with free parking how about allenbell, autumn house, carolina bed and breakfast, or leverton house all guesthouses. Sentence6: Restaurant Alimentum is moderately priced. They are located at 152-154 Hills Road. Would you like me to make a reservation for you? Sentence7: Sure, i want 3 nights starting Wednesday please. Sentence8: You reservation is made for 13:30 and your reference number is X1UVXL1X . Can I help you with anything else? Sentence9: restaurant alimentum sounds interesting. Could you give me more information about this location? Sentence10: Yes, I would like a table for 2 on Wednesday. Sentence11: Alright, your room has been booked at the Autumn House for 3 nights starting on Wednesday. Your reference number is RDXXH6Q8 . Sentence12: Let's choose autumn house. Do you have a preference for a time of day and for how long? Sentence13: Unfortunately there are no Hungarian restaurants in the area. Pizza hut cherry hinton serves italian and restaurant alimentum serves modern european if those interest you. Sentence14: What time would you like the reservation to be for? Sentence15: Any of those could work. You decide. Sentence16: I found Pizza hut cherry hinton and Restaurant Alimentum for you. Sentence17: Can you find a restaurant for me that is southern and is in the mid price range? Sentence18: Does either one serve Hungarian food? I'd like Hungarian food. Question: Who has spoken the sentence 12? (A) User (B) System
[A]:
Answer: (A) User