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

[EX Q]: Sentence1: Don't worry, I should be able to help you. Do you know which station you'll be leaving from or going to? Sentence2: What is your destination? Sentence3: Hi, I am trying to plan a trip and need some help with a train. I'm not familiar with trains at all unfortunately. Sentence4: I'm departing from leicester and I need to leave on friday. Thank you for helping! Sentence5: I also need a place to stay. Sentence6: 11 pm and I want it for three people Sentence7: I'm going to Cambridge. Sentence8: We have many great places to stay. What area would you like and do you have a price range? Sentence9: Is there a time you would like to arrive by? Sentence10: TR6539 will arrive by 22:54. Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is IE5RK2IG . Do you need anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Alright. I booked your train leaving Cambridge at 19:34 and arriving in Peterborough at 20:24. The reference number is A8T38EJZ . Sentence2: Cityroomz is a moderately priced hotel with internet. Would that work for you? Sentence3: What day are you traveling, and to which station? Sentence4: Thanks, have a good day. Sentence5: You, too. Goodbye. Sentence6: Okay. Call us back if you need me to book anything for you. Sentence7: Yes that will work. Can I get the hotel's phone number? Sentence8: We have 30 such entries. Do you have a time you'd like to leave by? Sentence9: Sure thing, their number is 01223304050. Is there anything else I can help you with today? Sentence10: Any time is fine as long as I can book for four people. I also need the reference number, please. Sentence11: I'll be traveling on wednesday, and I will be go to peterborough. Sentence12: There are 9 different hotels that have free wifi that aren't guesthouses, do you have a price range in mind? Sentence13: No particular price range but I would like it to be in the centre. Sentence14: Thanks. I'm also looking for a hotel (not a guesthouse) with free wifi. Sentence15: No, that will be all, thank you for your help! Sentence16: I need a train departing from cambridge and arriving by 20:45. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Peking restaurant is expensive chinese food in the south area. The address is 10 Homerton Street City Centre. Would you like me to make reservations for you? Sentence2: Yes, I need to take a train from Kings Lynn on monday, can you help me? Sentence3: The price for this train is 9.80 pounds.The departure time is at 15:11 and the trip is a total of 47 minutes. Sentence4: I need to arrive in Cambridge by 16:00. What are my options? Sentence5: Your table has been booked for 4 people on Monday. Reference number is Z7TQCT8F . Is there anything i can help you with today? Sentence6: Can I have the price, travel time, and departure time for the TR1863, please? Sentence7: Thanks. I'm also looking for Peking Restaurant. Sentence8: Thank you! Will you please book a table for 4 people at 20:30 on the same day? Sentence9: I hope you have a good stay in town. Please feel free to call back with any questions. Goodbye. Sentence10: We have 19 trains going that route monday the first departure is at 05:11AM and going hourly from there, what time did you have in mind? Sentence11: There are two that arrive closest to your requested time; TR2257 arrives by 14:58 and TR1863 arrives by 15:58. Would either of those work best for you? Sentence12: That will be all. Thank you. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User