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: The address for Little Seoul is 108 Regent Street, City Centre. Is there anything else I can help you with? Sentence2: Yes, I would like both the phone number and the postcode please. Sentence3: I'm looking for an expensive restaurant in the centre if you could help me. Sentence4: I got that backwards. Need a train leaving Kings Lynn after 9:15 and arriving in Cambridge sometime on Saturday. Sentence5: There is a Korean restaurant called Little Seoul located at 108 Regent Street City Centre. Would you like their phone number? Sentence6: TR2514 leaves at 10:11 and arrives at 10:58. Will this one work for you? Sentence7: Sure. Could you tell me the exact travel time? Sentence8: Sure. The travel time for TR2514 is 47 minutes. Anything else I can help you with today? Sentence9: I sure can. There are lots of choices. Are you looking for a particular type of food? Sentence10: Have a wonderful day yourself. Goodbye. Sentence11: Can I also have the address please? Sentence12: that is it for today. good day thank you Sentence13: I also want to see the travel times for a train going from Kings Lynn from Cambridge on Saturday. It should leave after 09:15. Sentence14: Is there a time you would like to arrive by? Sentence15: The phone number for little seoul is 01223308681, postcode cb21dp. Can I help you with anything else today? Sentence16: No, not really. I think I'd like to try something different. Could you suggest something? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I have 5 choices for you. If I might suggest the Holy Trinity Church. It has the most unique architecture in our area. They also offer free admission. Sentence2: I will be visiting the centre. Sentence3: Like I mentioned, Holy Trinity Church is totally free. Is there anything else you'll be needing today? Sentence4: Sounds great. Do you happen to know the entrance fee for it? Sentence5: OK I HAVE 1 TRAINS THAT LEAVE AROUND THAT TIMES ONE AT 21:39 WOULD THAT WORK FOR YOU ? Sentence6: I need a train that lease from London Liverpool Street on Tuesday. Sentence7: Yes as long as it leaves AFTER 20:45 that will be fine. How much is it and how long is the travel time? Sentence8: There are 10 days departing London Liverpool Street on Tuesday. Is there a certain time of day you need to travel? Sentence9: No, I don't think so! Thank you for your help! Sentence10: How about architecture type instead? Sentence11: Thank you for using Cambridge TownInfo centre. Please remember us for all of your future travel needs. Sentence12: Which area are you interested in visiting in town? Sentence13: I would like to leave after 20:45. Sentence14: the train ride is 88 minutes and the cost is 16.60 pounds. it leaves at 21:39 and your reference number is Q6UN1GVR . is there anything else i may help you with? Sentence15: There is no entertainment in the centre. Would you be interested in a different type of attraction? Sentence16: I am looking for places to go in town. What type of entertainment is there in the centre? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: How about the rice house it is cheap and located at 88 Mill Road city centre? Sentence2: I want to dine at a Chinese food place in the centre area. Sentence3: Ok I will book that for you and get you a confirmation number Sentence4: That sounds perfect. I would like to book a table for sunday. Sentence5: What is your price range for this restaurant? Sentence6: I do not have a price preference. Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System