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

[EX Q]: Sentence1: I see there is a train on Friday that leaves leicester at 14:09 to Cambridge, could you book me a ticket for this train? Sentence2: I have 9 restaurants in that area. May I ask what your budget for lunch is? Sentence3: I have a 12:09 that arrives at 13:54. Would that do for you? Sentence4: The duration of the trip is 105 minutes. Have a great day! Sentence5: Yes, the gandhi is in the cheap price range. Their address is 72 Regent Street City Centre. Would you like me to book a table for you? Sentence6: Hi there, I'm trying to find a train that leaves from Leicester but it must be after 11:15. Can you help me book a ticket? Sentence7: I just need the train ID please. Sentence8: There are three cheap resturants int hat area, kohinoor, the gandhi, and mahal of cambridge. Sentence9: I think that is all for now. Sentence10: Did you only need one ticket? Sentence11: The train ID is TR6247, would you like to book a seat? Sentence12: The train ID is TR8882. Can I help you with anything else? Sentence13: No thank you, their information is enough at this time. Do they have a phone number? Sentence14: The Ghandi sounds nice. Can I get their address? And they are a cheap restaurant, right? Sentence15: Please book me a ticket for that train. Sentence16: Yes, their phone number is 01223353942. Is there anything else I can help you with today? Sentence17: Yes, that would be fine. Could I get the train ID? Sentence18: I need a train from leicester on thursday and should leave after 11:15. Sentence19: No thank you. That's not necessary. Can you help me find an indian restaurant in the centre of town? Sentence20: Nothing expensive please. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you? Sentence2: I can help you with that. Where are you traveling from? Sentence3: Book it for 3 people. Sentence4: Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q . Sentence5: I need to find a place to stay as well. Can you help? Sentence6: I need to find a train into Cambridge that will arrive by 09:15. Sentence7: I will be leaving the Stansted Airport on Thursday. Sentence8: I need to know what you're looking for first. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: No, I am all set. Thank you for all your help. Have a nice day. Sentence2: maybe you can suggest a place close to the area of south, I would appreciate that, thank you Sentence3: I need to find a place to stay while in Cambridge, I do not need it to have internet but I do need it to have free parking. Sentence4: Alright, can you get me a taxi that will take from from the hotel to the Varsity in time for my reservation? Sentence5: Yes let's try another restaurant. Sentence6: I don't have a preference. Sentence7: I am also looking for a restaurant in the same area. Preferably vegetarian food in the moderate price range. Sentence8: Can you try for 12:00? Sentence9: Thank you for using our service. You have a great trip! Sentence10: Yeah, I do. What about to the west? Sentence11: Ok. How about the Bridge Guest House. I'm happy to book that for you. I just need to know what day you'll be arriving. Sentence12: There are 4 hotels in the south with free wifi and parking. What star rating would you like? Sentence13: There are currently no hotels in the Cambridge area that have parking, is there another area close by that would work for you? Sentence14: I don't really care about the star rating. I just would like free wifi and would need to book for 3 nights for 6 people. Sentence15: Sure, can I please get a table on Sunday at 13:00 for 6 people at The Missing Sock? Sentence16: Yes, be on the lookout for for a white lexus. The contact number is 07672513904. May I help with anything else? Sentence17: The Varsity Restaurant is moderately priced, and serves international food, but I'm afraid it's not in the south, but rather the city centre. Would that be agreeable? Sentence18: Sure please book that fro me. Sentence19: I need the hotel to at least have free wifi. Can you accommodate? Sentence20: Okay. Is there one that serves International food? Sentence21: Booked for 12 at varsity restaurant, you reference number is SSRYQGZ2 . Your table will be reserved for 15 minutes. Sentence22: what price range are you looking for? Sentence23: There is nothing in the south. Do you really need parking? Sentence24: I cannot not book your reservation for the time you wanted, would you want another time or to try one of the other 2 restaurants? Sentence25: What are the preferences you have for the hotel? I cannot seem to find one fitting the criteria you have listed. Sentence26: I will be arriving Sunday. Sentence27: I'm sorry 12:00 is not available either, would you like to try another time or different restaurant possibly? Sentence28: All booked! The reference number is O59MRSHK . Sentence29: there are no vegetarian food restaurants. Sentence30: There are three locations that serve international cuisine. The Missing Sock, The Varsity Restaurant, and the Bloomsbury Restaurant. Are you interested in any of these? Question: Who has spoken the sentence 12? (A) User (B) System
[EX A]:
Answer: (A) User