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

[EX Q]: Sentence1: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I sure can. I found a 3 star hotel and a 4 star hotel. Do you have a preference? Sentence2: Great, thank you for your help. Sentence3: Thank you , good day to you. Sentence4: You are very welcome! Is there anything else I can help you with? Sentence5: How about the Gonville Hotel located in the centre of town is in the expensive price range? Sentence6: Good afternoon, can you help me find an expensive place to stay in the town centre? Sentence7: It should be a hotel type hotel not a guesthouse Sentence8: Yes, that sounds good. Could you reserve a room for 5 people checking in on Saturday? I think we'll stay for 3 nights. Sentence9: Booking was successful. Reference number is : KRJNYV0Q . Sentence10: No, that will be all. Thank you. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Great, also, are there any museums in that same area? Sentence2: There are 57 expensive restaurants in Cambridge. Do you have a food type preference? Sentence3: The postcode is cb58ld. Is there anything else you would like to know? Sentence4: You're very welcome. Goodbye! Sentence5: We have four museums in that area. Most are free to visit, though the Cambridge Museum of Technology does have an entrance fee. Sentence6: What is the postcode for the Cambridge Museum of Technology? Sentence7: That's all I needed today, thank you. Sentence8: I am seeking an expensive restaurant in Cambridge. Sentence9: How about one in the east area? Sentence10: Tell me your favorite. I'd like their phone number and address, please? Sentence11: Sure. The sitar tandoori's phone number is 01223249955 and their address is 43 High Street Cherry Hinton Cherry Hinton Sentence12: That narrowed the search down to 5. Do you have a food type preference? Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]:
Answer: (A) User