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

[EX Q]: Sentence1: Okay, do you need the taxi to go to the restaurant or the attraction? Sentence2: Okay, perhaps you can find a college that I can visit. Sentence3: Thank you so much. Sentence4: I have 8 results. What area would you like? Sentence5: I want to leave the attraction at 09:45 and head to the restaurant. Sentence6: it is on regent street Sentence7: I'm sorry there are no matches. Sentence8: It should be cheap and include free parking. Sentence9: i also want a taxi to commute between the two places Sentence10: There are 21 guesthouses offering free wifi. Do you have a price range? Sentence11: Sure, you will be expecting a black lexus , their contact number is 07988632177 Sentence12: I recommend finches bed and breakfast, that've got some good reviews. Sentence13: There are five colleges available in the centre area. How about Downing College? The entrance fee is free. Sentence14: Oh thats great. Please assist to book that for 5 nights starting from Saturday and if it fails then Tuesday. Please send me the reference number when you are done. Sentence15: Sounds great. What is the address? Sentence16: Yes, I'm looking for entertainment attractions located in the centre. Sentence17: No particular area. What do you recommend? Sentence18: you are welcome, enjoy yourself. Sentence19: Booking was successful for Saturday. Reference number is : 5LQHD9SU . Can I help with anything else? Sentence20: I'm planning a trip to Cambridge and need a 4 star place with wifi to stay. It doesn't matter if its a hotel or guesthouse, just 4 star please. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: kohinoor. i want to book a table for 2 people at 16:45 on Thursday Sentence2: Nope, I'm all finished for today. Thanks so much, goodbye now! Sentence3: Sure. Booking was successful. The table will be reserved for 15 minutes. Reference number is : X9AVZ8EI . Can I help with anything else today? Sentence4: Absolutely. What is the name of the restaraunt you are interested in? Sentence5: You are very welcome, bye! Sentence6: I need to find some information in a particular restaurant. Are you able to look up a specific place? Sentence7: I also need a Thursday train. Sentence8: Depart from Ely and would like to arrive by 13:00 in Cambridge. I need to book it for 2 people I also need a reference number. Thanks Sentence9: What location will you depart from and where are you headed? Sentence10: Sure thing, it's booked and your reference number is PWSVK4XQ . Do you need more help? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User