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

Example Input: Sentence1: There are 44 possible options. What type of attraction are you interested in? Sentence2: No, that's all I need today. Thank you for your help. Sentence3: I can book a 05:54 for you. Sentence4: You're very welcome, is there anything else I can do for you? Sentence5: I need the train to leave after 15:45 please. Also do you have the entrance fee for the Vue Cinema? Sentence6: Sorry, but I do not have the entrance fee for Vue Cinema in my database. I do have a train from stevanage at 15:54 for you, though. Sentence7: Hello, I'm looking for places to go in the city centre. Sentence8: Have a great day then! Sentence9: How about the Vue Cinema located at the grafton centre, east road? Sentence10: Thank you for your help. Sentence11: Great can you make that reservation on the train for 7 people and send me the reference number? Can you also send me the phone number for the Cinema? Sentence12: I don't mind what kind. Sentence13: Sure, what is the entrance fee? Also I need a train that departs from Stevenage on Thursday. Sentence14: The train is booked reference number 3YY4QV9P, and the phone number of the Vue Cinema is 08712240240 Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Enjoy your travels! Let us know if we can be of any further assistance. Sentence2: TR8143 departs at 14:11 and arrives in Cambridge by 14:58, does this suit your needs? Sentence3: I need a train leaving from kings lynn. Sentence4: Yes, I'd like to travel on Wednesday, and I'd like to arrive in Cambridge no later than 15:30. Sentence5: There are no nightclubs in the west. Would you like to try another area? Sentence6: There are 133 trains leaving Kings Lynn, do you have a particular day you are traveling? Sentence7: They have free entrance. Their postcode is cb30ds. Sentence8: Could you look up a college instead then? Sentence9: I'm glad I could help. Sentence10: Churchill college is located in the west part of town. Sentence11: Yes it does. Can you verify the total travel time and price? Sentence12: Thank you goodbye. Sentence13: Thanks a lot, that's all. Sentence14: Sure - the travel time is 47 minutes, and the fee is 9.80GBP per ticket. Sentence15: I also need a nightclub in the west. Sentence16: Could you get me the postcode and entrance fee for there? Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Sure. How about Cafe Jello Gallery. The postcode is cb30af and phone number is 01223312112. Sentence2: not today. i also want information about a place to go and should be in the west Sentence3: To commute between both places, I want to leave the hotel at LEAST by 21:45. Sentence4: I am looking for a certain hotel. I think that it is called something like Allenball Sentence5: You're welcome. Let me know if you end up needing anything else. Sentence6: Would you like me to make a reservation there for you? Sentence7: Yes, Allenbell has both free parking and internet and is in the cheap price range. Would you like to reserve a room? Sentence8: A museum sounds fun can I have the phone number and postcode for the one you recommend? Sentence9: Sure! Where do you need it to go and when will you need it? Sentence10: Okay thank you, that's all I needed. Sentence11: Do you know if they offer free parking? Sentence12: Please look for a grey Audi. The contact number is 07213476873. What else can I help with today? Sentence13: There are 13 great places you could visit. Do you have a particular attraction in mind? I would recommend a museum. Sentence14: Thanks, can you also book me a taxi? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System