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

Input: Consider Input: Sentence1: There are 8 trains. The latest one that would get you there on time leaves at 8:48 and arrives 9:38. Would you like me to book a ticket for you? Sentence2: Where are you traveling to and from? Sentence3: Thank you very much for all of your help. Sentence4: I am looking for a restaurant called Galleria. Sentence5: Would it be possible to book the same restaurant at 15:45? Sentence6: The travel time is 50 minutes and it costs 13.20 pounds. Sentence7: Okay you are welcome! Thank you for calling. Sentence8: I have made the reservation for 3 for Sunday at 15:45 at Galleria. Your reference number is DUY4H6WY . Is there anything else I can do for you? Sentence9: I've found Galleria, it is located at 33 Bridge Street in town centre. Would you like to make a reservation? Sentence10: Departure is Peterborough and arrival is Cambridge. Sentence11: Yes. I would also like to take a train on Sunday arriving by 09:45. Can you help me with that? Sentence12: Yes! I'd like a reservation for this Sunday at 16:45 for three people. Sentence13: Please give me travel time and the price, please. Sentence14: I'm sorry, but that time and day is unavailable. Would you like to try another day and/or time? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: there are 11 all with free entrance. Would you like me to recommend one? Sentence2: As previously mentioned, they both have internet available. I don't have specifications about the internet service however. Would you like to book one of these? Sentence3: I can, we have 9 hotels, do you have anything else to narrow it down? Sentence4: Your white ford taxi booking was successful. Its contact number is 07580691974. Sentence5: I have 2 available hotels. One is the Gonville Hotel located on Gonville Place. The other is University Arms Hotel on Regent Street. Which one would you like to book? Sentence6: Do you have there phone number? Sentence7: Your booking was successful and the reference number is ELYPAXQZ . Sentence8: I want to arrive at the Castle Galleries by 11:15. Sentence9: Yes, please book for two nights beginning on Sunday for one person. Sentence10: Yes, please. Can I get the address and phone number for the one you reccommend? Sentence11: Ok, thank you for the help. Sentence12: I'm looking for a hotel, can you help? Sentence13: Can you book the one without wifi? Sentence14: Their phone is 01223307402. Is there anything else I can help you with today? Sentence15: What time do you need the taxi, and which is the destination site? Sentence16: Was there anything else you needed today? Sentence17: Yes, I also need a taxi going between the two places. Sentence18: they both have internet, for what days and how many people should I book? Sentence19: Do either of them offer free wifi? Sentence20: castle galleries is a nice place, their address is unit su43 grande arcade st andrews st and their postcode is cb23bj, anything else today? Sentence21: Thank you. I'm also looking for a museum to go to in the same area. Sentence22: It should be in the centre and be on the expensive side. Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, I need some information about a restaurant called pizza express. Sentence2: Great I also need a taxi that will get me from the pool to the restaurant by 17:00. Sentence3: Kings Hedges sounds good, what postcode are they in? And do they have an entrance fee? Sentence4: Great that was all I needed today, thank you! Sentence5: The booking was not successful. Would you like to try another day/time? Sentence6: Were you looking for a booking at Pizza Express or Pizza Express Fen Ditton? They are both in the centre of town. Sentence7: Certainly! What information specifically are you looking for? Sentence8: I was able to book that taxi for you. Be looking for a red Toyota. If you need to reach them, please contact 07360365370. Is there anything else? Sentence9: Thank you for using our service. Have a wonderful evening. Goodbye. Sentence10: I'd like to know if I can book a reservation for 7 people at 18:00 monday. Sentence11: How about 17:00? Sentence12: I need to find a swimming pool in the north. Sentence13: There are 2 swimming pools in the north, jesus green outdoor pool and kings hedges learner pool. Which one would you like more information on? Sentence14: Either one will work, I just need to book for 7 people at 18:00 on monday? Sentence15: I've got you booked at 17:00 for 7 at Pizza Express. Sentence16: Kings Hedges Learner Pool is in postcode cb42xh. Their entrance fee is a bit of a mystery, however, I don't have any firm numbers. Can I help with anything else? Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System