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

[Q]: Sentence1: Yes I was able to locate 4. Can I book a table for you? Sentence2: Thanks so much! Sentence3: Is there anything else that I can book for you or assist you with for your upcoming trip? Sentence4: Are you looking for a Danish restaurant? Sentence5: Yes please in the same area and price range. Sentence6: For four, Thursday, 11:45. Sentence7: Booking unsuccessful. Would you like to try another restaurant? Sentence8: Thank you have a good day. Sentence9: Yes please. In the centre of town. Sentence10: Yes please,for tonight at 9 PM if possible. Sentence11: I will make a booking for you at hk fusion, but I do need to know what day and time you prefer, and for how many people. Sentence12: I am looking for an expensive Danish place. Sentence13: Is there an expensive chinese restaurant in the centre? Sentence14: I am sorry I have no listings for that type of restaurant, is there any other type of food you would like? Sentence15: Booked at ugly duckling. Reference number: EQFGNMFY . Table will be held for 15 minutes. Sentence16: That was all I needed today thank you! Question: Who has spoken the sentence 10? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: I hear its a pretty cool place. Can I get their postcode please? Sentence2: Yeah, I need a place to stay on the south side. 4 stars if possible. Sentence3: Postal is cb17sr, they do include internet and they can be reached at 01223240089, can I help with anything else? Sentence4: i am looking for a particular attraction. Its name is called soul tree nightclub. Sentence5: You're welcome! Have a great day! Sentence6: Can you book me a stay at The Aylesbray Lodge? Sentence7: The Soul Tree Nightclub is located in the area of centre. It has an entrance fee of 4 pounds. The phone number is 01223477900. Anything else? Sentence8: The postcode is cb23qf. Do you need anything else? Sentence9: You have a great day as well! Sentence10: Thanks for using our services. Sentence11: Sure! How many are staying, how many days, and what day do you want the stay to start? Sentence12: That was everything, thanks a lot! Sentence13: No I just need the postcode, phone # and if they have internet Sentence14: We have two guesthouses that are 4 stars in the south end, The Aylesbray Lodge Guest House is moderately priced, and Rosa's Bed and Breakfast is in the cheap range. Question: Who has spoken the sentence 12? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: There are no belgian restaurants in the area. May I suggest Cote? They serve expensive French food and they are located in the Centre. Sentence2: There are many to choose from. I'm partial to The Varsity Restaurant myself, they serve international cuisine. Or were you in the mood for something else? Sentence3: Yes, I'm looking for a particular attraction called ballare. Sentence4: How about international food? Sentence5: I just need the post code. Thank you. Sentence6: I gave that here, what would you like to know? Sentence7: Whatever one you recommend, I just need the phone number and address. Sentence8: The Varsity is located at 35 Saint Andrews Street City Centre and their phone number is 01223356060. Can I help with anything else today? Sentence9: Okay, we've got two restaurants like that, Varsity and Bloomsburg. Do you have a preference? Sentence10: I am looking to find a place to eat in Centre please. Sentence11: Yes, that all I need, thanks. Sentence12: Thank you for using our system today! Sentence13: The postcode for Ballare is cb23na. Will that be all? Sentence14: I would like belgian food in the moderate price range. Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System