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

Example Input: Sentence1: No, that's all the information I need. Thanks! Sentence2: You can reach them by phone at 01223312598. Anything else I can help with? Sentence3: Booking was successful. Reference number is : T212RFL5 . Sentence4: Yes, Gourmet Burger Kitchen has North American cuisine and is expensive. It is located in the City Centre. Sentence5: That sound perfect. Could I make a booking for 6 people? Sentence6: I need help finding a guesthouse to stay at. Sentence7: I'd like the east part of town please. Sentence8: Ok great, have a wonderful day! Sentence9: Do you know of a restaurant by the name of gourmet burger kitchen? Sentence10: Of course! What day and how many nights? Sentence11: can you tell me the phone number please Sentence12: Warkworth House is a great place. They are rated 4 stars, moderately priced and offer free parking and internet. Sentence13: How many days will you be staying? Sentence14: I have a number of different guesthouses available. Do you want to stay in a particular part of town? Sentence15: I'll be starting my stay on this coming Sunday. Sentence16: 5 nights please. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Yes I would. Sentence2: The phone number is 01223312112. Do you need the postcode? Sentence3: You're welcome, and you have a nice day as well! Sentence4: Can you tell me anything about cafe jello gallery? Sentence5: I think that could work please make a booking for 6 people Sentence6: There are 10 trains that day. Is there a particular time you'd like to leave or arrive? Sentence7: i would like to arrive after 2:00 in the afternoon. Sentence8: Yes, the Cafe Jello Gallery is a museum located at 13 magdalene street in the west side of town. Would you also like their phone number? Sentence9: Booking was successful! Your reference number is GXIE5O8F . You have to pay 26.4 GBP at the station. Sentence10: No, but I am looking for a train from Ely on Thursday. Sentence11: Thank you very much that is all I needed. Have a good day. Sentence12: We have the TR0813 that arrives at 11:52 on thursday. Does that work? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Yes, internet is available. Sentence2: Thanks, that's all I need. Have a nice day. Sentence3: Great I also am looking for a place to stay with free parking in the south part of town too. Sentence4: Have a great day too. Goodbye. Sentence5: Which one would you recommend? I don't need a reservation, just the address and phone number. Sentence6: Do they also have internet available? Sentence7: I have two, how many will be dining with you? Sentence8: I'm looking for a restaurant that is high end chinese. Sentence9: I recommend the peking restaurant the phone number is 01223354755 and there address is 10 Homerton Street City Centre. Is there anything else you need? Sentence10: I've found 9 high end chinese restaurants. Is there an area you prefer? Sentence11: Sure I have several choices for you. Do you have a price range preference? Sentence12: Goodbye! I hope your day is great. Sentence13: Yes, I'd like it to be in the south. Sentence14: I found one hotel, The Lensfield Hotel. Would you like to make a reservation? Sentence15: I would like it to be in the expensive price range. Sentence16: Okay great. Thanks I will. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User