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

Ex Input:
Sentence1: I have information for the Parkside Police Station, is this close to your location? Sentence2: You're welcome. The police will help you immediately. Goodbye. Sentence3: Thank you for your help Sentence4: Please put me in touch with the local police, I was just robbed. Sentence5: The phone number is 01223358966 and the post code is CB11JG. Sentence6: I don't know, could you just give me the postcode and phone? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: You're welcome and thanks for using our help desk. Goodbye. Sentence2: Thanks for the recommendation. That's all the help I need today. Sentence3: I'm looking for the entrance fee for Castle Galleries. Sentence4: Yes, i would like help locating an attraction. Sentence5: OK - what type of attraction are you looking for, and in what part of town? Sentence6: Their entrance fee is free. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Wonderful. Please don't hesitate to contact me again for more help. Good bye. Sentence2: And what are your departure and arrival stations? Sentence3: No thanks, but can I have the postcode and price range for the Acorn, please? Sentence4: The acorn guest house has a 4 start rating. Would you like to hear other options? Sentence5: Yes that train's ID is TR2854 and the travel time of the journey is 105 minutes. Is there anything else I can help you with? Sentence6: There are several trains that would get you Leicester by 14:45. Did you have a departure time in mind? Sentence7: No, I don't need internet or free parking. Could you tell me the star ratings for those? Sentence8: Ok there is one that leaves Cambridge at 12:21 and arrives in Leicester at 14:06. Would you like to book that one? Sentence9: I have no preference for departure time as long as I arrive by 14:45. Sentence10: There is the acorn guest house, out of 33 results, did you need internet, parking, or a certain star? Sentence11: Yes I am looking for a guesthouse on the north side of town. Sentence12: I need a train on Wednesday, arriving close to 14:45. Sentence13: Yes that sounds good, can you please give me the train ID and travel time? Sentence14: I will be leaving from Cambridge and arriving in Leicester. Sentence15: Sure, the postcode for Acorn Guest House is cb41da and the price range is in the moderate range. Sentence16: Great thank you that's all the info I need today. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:
Answer: (A) User