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

[Q]: Sentence1: Pick any of them, please. Book it for 6 people and 3 nights, starting thursday. Sentence2: I need something with free parking and a 4 star rating. Sentence3: I have 24 guesthouses. Let's narrow it down a bit. Do you have a price range? Sentence4: I am showing 18 colleges. Is there a certain area of town you would like? Sentence5: What is the postcode of Corpus Christi? Sentence6: Booking was successful. Reference number is : 2WPLODLS . is there anything else i can help you with? Sentence7: Not really. Which do you think would be the most interesting to visit? Sentence8: That cuts it down to 16. I can recommend the Acorn guest house, or do you have a pricerange or area of town you want to stay in? Sentence9: I would suggest Christ's college in the city centre or Corpus Christi college in the west. Christ's college is free and Corpus Christi costs 2 pounds? Which do you want? Sentence10: Hello, any interesting colleges in town? Sentence11: Their postcode is cb21rh. Can I assist you with anything else? Sentence12: I am looking for a guesthouse to stay in. Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: That is all, thank you, goodbye. Sentence2: Is there anything else we can help you with? Sentence3: Goodbye. Sentence4: Ok. Thanks. Sentence5: I am looking for a restaurant in the south part of town and serving portuguese food. What is the address and phone number? Sentence6: Nandos is a portuguese restaurant in the south part of town. Their address is Cambridge Leisure Park Clifton Way and their phone number is 01223 327908 Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I am looking for a restaurant in the centre of town. Sentence2: I also need a taxi to get me between the gallery and restaurant, I want to leave the restaurant by 13:15 Sentence3: There are 2 restaurants that meet your criteria; Eraina and Michaelhouse Cafe. They are both in the centre of town. Sentence4: The Ruskin Gallery is in the centre area and the phone number is 01245493131. Would you like the address? Sentence5: I'll be happy to help you with that. Is there a certain type of food you would prefer? Sentence6: I would like a restaurant that serves european food in the expensive price range please. Sentence7: Is there anything else I can help you with today? Sentence8: Glad I could be of assistance, have a good day! Sentence9: Yes, I'm also looking for an attraction called Ruskin Gallery. Can you get me some info on that? Sentence10: Sure, their phone is 01223368786 and their address is Free School Lane City Centre cb23rh. May I help with anything else? Sentence11: No address needed, thank you. I have all the information I need. Sentence12: Great, can I have the phone number and address for Erania please? Sentence13: Alright, I have your taxi booked. It will be a red lexus, and the contact number is 07952562480 Sentence14: Thank you very much, that will be all you can do for me for today. Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System