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

Sentence1: Hi, I am looking for a place to swim at in cambridge. Sentence2: The Yippee Noodle Bar is moderately priced. Would you like me to book you a table? Sentence3: That is all I need. Thank you. Sentence4: Thanks, also in the centre of Cambridge, could you find me an asian oriental place to dine? Sentence5: There are 4 options for asian oriental which range from cheap to expensive. Do you have a preference? Sentence6: May I have their phone numbers and the entrance fee for the pools. Sentence7: Unfortunately it is not available at that time or party size. Sentence8: I prefer moderate cost Sentence9: There are four, including parkside pools located in the centre. Sentence10: The number for parkside pools is 01223446100. You will need to call them to see if there is an entrance fee. Sentence11: You now have a 16:45 reservation for 7 at Yippee Noodle Bar. Your reference number is BOZ3MSRO . Sentence12: Let's try 16:45 then. Sentence13: You are very welcome. Goodbye. Sentence14: Yes I would like to book a table for 7 on Monday at 17:45 Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User

Sentence1: Let's go with the cheap one. I'll need a table for 7 on Sunday at 12:15 please. Sentence2: Can you try on saturday, 7 people, at 12:15 Sentence3: you're in luck I have two options for you. One is in the cheaper price range, the other is listed as moderately priced. Do you have a preference? Sentence4: Unfortunately the booking was not successful. Sentence5: Yes, you're booked for Saturday with reference number V54FG5X2 . The table will be reserved for 15 minutes. May I help with anything else? Sentence6: Thank you, goodbye! Sentence7: No, that's all I need. Thanks for your help! Sentence8: Yes I would like to find Spanish food in the center of town. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Yes, I can help you with that! What type of food would you like to eat and what is your price range? Sentence2: Thank you. I also need a train the same day. Sentence3: Booking was successful, the total fee is 79.19 GBP payable at the station .Reference number is : 8M72FMPK . Sentence4: Well, I am coming to Cambridge and was hoping to try some local restaurants. Can you help me with my choices? Sentence5: I want ot get in by 8:00, I need to get in in plenty of time for my Sunday booking. Sentence6: I'll give that a try. Book a table for 6 people for Sunday at 12:30 please. Sentence7: I need something expensive please preferably in the North. Sentence8: Did you have an arrival or departure time in mind? Sentence9: Thanks for contacting us, have a pleasant stay! Sentence10: The TR7721 would work for you, do you need a booking? Sentence11: Ok, let's narrow this down a bit. Where would you like to depart from and where are you going? Sentence12: Thanks you, that is everything, you helped me a lot. Thanks a bunch!! Sentence13: If you like European food, I'd recommend City Stop Restaurant. Sentence14: I am departing from Peterborough and going to Cambridge. Sentence15: Thank you. I have booked you a table for six on Sunday at 12:30 at City Stop Restaurant, and your reference number is CAWRD4D1 . Sentence16: Yes, I need 6 tickets and the reference number of the booking. Question: Who has spoken the sentence 12? (A) User (B) System

Answer: (A) User