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

Example Input: Sentence1: Can I help you with anything else today? Sentence2: I am looking to get an address and entrance fee for a theatre. Can you search for one for me using the criteria I mentioned earlier? Sentence3: There is no specific area. Sentence4: Entrance fee is not mentioned. There are no restaurants in that area that fit your criteria. Is there something else I can look up for you? Sentence5: Yes, get me a table for 3 at 15:30 on Saturday. Sentence6: Fantastic, have a great day! Sentence7: Is there a entrance fee? I am also looking for a cheap north american restaurant to dine at on the east side. Any recommendations? Sentence8: No that will be all! Thank you! Sentence9: Hi, can you please give me information on theatres in town? Sentence10: The Missing Sock is an international restaurant in the East and has a cheap price range. Would you like a reservation? Sentence11: I have made those reservations and the reference number is Y40MJDC0 . Sentence12: I have 5 theaters located in the centre and south which area would you like? Sentence13: Are there any serving international cuisine in the same area and price range? Sentence14: Great, thanks for your help! Sentence15: I see. What sort of information can I help you with? Sentence16: The address for adc theatre is park street. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: There are several options meeting your criteria. What time would you prefer to depart? Sentence2: I am looking for information on the Scott Polar Museum. Sentence3: My pleasure, thank you for using Cambridge TownInfo centre. Sentence4: Have a great day. Sentence5: Where will you be departing from and do you have a particular day you wish to leave? Sentence6: No that is all. Thank you very much. Sentence7: Scott Polar Museum is in the centre. Phone number is 01223336540. Postcode is cb21er, address is lensfield road and entrance fee is free. Anything else I can help you with today? Sentence8: That will be all for now.Thank you very much Sentence9: TR0033 is the latest train that meets your requirements and leaves norwich at 15:16. If you want to catch an earlier train, they depart hourly. Anything else I can do? Sentence10: Thank you for your help! Sentence11: I want to depart Wednesday from Norwich Sentence12: It doesn't matter. I just need the travel time, departure time, and train ID. Sentence13: You are very welcome. Thank you for using the Cambridge Towninfo Centre! We appreciate your business, have a great a day. Sentence14: Sorry, I had another concern. I'm looking for a train that goes to Cambridge and arrives by 17:15 Question: Who has spoken the sentence 13? (A) User (B) System
Example Output:
Answer: (B) System