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

Ex Input:
Sentence1: You're very welcome. Thank you and goodbye! Sentence2: The earliest train departs Leicester at 05:09 and arrives in Cambridge at 06:54. The cost is 37.80 pounds per ticket. Sentence3: That's all that I need. Sentence4: Any of those will work. Which one is your favorite and where is it located? Sentence5: I'll be departing from Leicester, headed to Cambridge. What do the prices look like? Sentence6: No problem. There are a lot of other options like boating, cinema, colleges, a concerthall, museums, nightclubs, a park, theatres and swimming pools. What are your interests? Sentence7: I also need a train on Wednesday, arriving by 19:00. Sentence8: I'm looking for something to do in the centre of town. Sentence9: Travel time is approximately 105 minutes. Sentence10: Would you like any more information on other attractions? Sentence11: I would really like it to be a attraction type. Sentence12: What is the travel time? Sentence13: Great! I found a lot of things that match what you're looking for. Do you like architecture? Sentence14: I can help you with that. What are the departure and destination cities you were looking for? Sentence15: No, that will be all. Thank You for all your help. Sentence16: I'd try the cambridge contemporary art museum, at 6 trinity street. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No thank you, goodbye. Sentence2: I'm sorry, there are no Korean restaurants in the north part of town. Can I help you find anything else? Sentence3: Thank you for using our system. Good bye Sentence4: How about any area? Sentence5: I would like a restaurant in the north part of town that serves korean food Sentence6: What is the address and price range? Sentence7: Little Seoul is at 108 Regent Street City Centre and is an expensive restaurant. Do you want the phone number? Sentence8: little seoul is in the centre and serves korean food Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No, thank you. That's all for now. Sentence2: Could you tell me what their price range is? Sentence3: Saint Johns Chop House is located at 21 - 24 Northampton Street, cb30ad, on the west side of town. Sentence4: Thank you for the information on that. Sentence5: Your booking was successful. Your reference number is PY098GT4 . How else can I help today? Sentence6: Hi, could you give me the location of the Saint Johns Chop House? Sentence7: I am also looking for a particular hotel named leverton house. Sentence8: You're welcome, have a great day! Sentence9: They are located at 732-734 Newmarket Road, postcode cb58rs. Sentence10: Their phone number is 01223353110 Sentence11: Great. How about the phone number? Sentence12: What information are you looking for? Sentence13: No problem! Is there anything else I can help you with? Sentence14: The address please. Sentence15: This restaurant is in the moderate price range. Sentence16: Yes, I am looking to book a room at the Leverton House for 3 people and 5 nights starting Wednesday. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System