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

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: I'm looking for a restaurant in the west side that's in the moderate price range. Sentence2: The Italian restaurant Prezzo sounds good. Sentence3: I have three listings,one for british,indian,italian. Are any of those types of food you are looking for? Sentence4: You're welcome. Have a great day! Sentence5: Are any of them available for 8 people at 19:00 on Wednesday? Sentence6: There are two restaurants available the Indian restaurant Meghna and the Italian restaurant Prezzo 8 people at 19:00 on Wednesday. Which one do you prefer? Sentence7: Booking was successful, table will be reserved for 15 mins. Reference number is : GVOKLI1A . Anything else? Sentence8: nope thats it. thanks Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you so much have a great day! Sentence2: Thanks again for all your help. Sentence3: The west. Sentence4: You are very welcome. Feel free to call again in the future. Have a great morning. Sentence5: Yes. could you please make a reservation for Saturday for 7 people at 15:00? Sentence6: Could you repeat the reference number please. Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : NR6VPA82 . Sentence8: I have narrowed it down to Meghna which serves Indian Food. Would you like me to book this for you? Sentence9: Excellent, that's all I need. Thank you! Sentence10: There are 4 places serving indian food in the moderate price range. Do you have a preferred area to dine at? Sentence11: Reference number is : NR6VPA82 . Sentence12: How about 14:00 then? Sentence13: Sorry, that time slot doesn't work for what you would like. Would you like to change the day or time? Sentence14: I am looking for a place to eat in the moderate price range serving Indian food. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System