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

[EX Q]: Sentence1: Thank you. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Reference number is 29IN9CT3 for the acorn guesthouse. Sentence2: Sounds great if it is portuguese. I'll take a reservation for 7 people at 20:00 for the same day. Sentence3: Okay, how about the Acorn Guest House in the north? Sentence4: There is. How does Nandos City Centre sound? Sentence5: Okay, it was my pleasure to assist you! Bye! Sentence6: No, that's all I needed today. Thank you for your help! Goodbye! Sentence7: do you have one the is portuguese food ? Sentence8: I'm looking for information on 4-star rated guesthouses in Cambridge Sentence9: You're all set. Your reference number is 6R5W1RRE and your table will be reserved for 15 minutes. Anything else? Sentence10: I suggest the dojo noodle bar, an asian oriental restaurant, would you like to make a reservation? Sentence11: Sure. Can we spend 5 nights starting on Sunday? I am going to need room for 7 people. Sentence12: I have a number of 4 star guesthouses available, would you like to book one in a particular area? Sentence13: I would also like to eat somewhere cheap in the middle of town. Sentence14: Not really. Could you suggest one with free parking? Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: There are 22 matching entries. Do you want me to book a train for you? Sentence2: Can you book that for 1 person for 3 nights starting on monday. Sentence3: I am looking to leave at 13:15 from peterborough. Sentence4: Oh, sorry need to go to Cambridge and will be traveling on Monday. Sentence5: Hello! Can you please recommend a 3-star hotel? Sentence6: We don't seem to have a guesthouse that has everything you want. There is a hotel that has the other things. Would you like that? Sentence7: Okay, I will still be needing your destination and day of travel Sentence8: No can you just tell me the arrival time of the first train that departs after 13:15? Sentence9: No thanks, I'm all set with everything. Thank you for your help. Sentence10: Reference number is : SEMSYF2T . Is there anything else? Sentence11: There are 6 places to choose from. Is there a certain price range or area of town you want to be in? Sentence12: Glad to be of help. Have a great day. Sentence13: What is your destination, and what day do you wish to travel? Sentence14: It is a guesthouse, not a hotel sorry. The pricerange is moderate. It has 3 stars, free wifi, and parking. Would you like to book it? Sentence15: I also need a train from Peterborough. Sentence16: Would you like me to reserve that for you? Sentence17: The first arrival time is 14:09. Sentence18: In the west, please. It should be a hotel type, please. Sentence19: Thank you for using the Cambridge TownInfo Centre. Goodbye! Sentence20: Okay that's great. Thank you very much. Sentence21: Okay goodbye you can end the conversation Sentence22: Can you tell me a little about that hotel please? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User