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

Example Input: Sentence1: I'd like to find a panasian restaurant in the centre of town please. Sentence2: Can I have the phone number, address and postcode? Sentence3: Tang Chinese is listed at expensive. Would you like more information? Sentence4: Yes, the address is Napier Street City Centre, the postcode is cb11hr, and the phone number is 01223357187. Sentence5: No, I don't care about the price. Which one looks good? Sentence6: That's all I needed today, thank you. Sentence7: Unfortunately, I was not able to locate a panasian restaurant in that area. Would you like me to look in another area or for a different type of restaurant? Sentence8: Great choice! We have 10 restaurants in that area. Do you have a preference on price? Sentence9: Oh no. Well I'll take chinese food then. Sentence10: Enjoy your meal, let me know if I can help with any thing else. Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Of course. Their telephone number is 01223362525. Would you like any more information? Sentence2: TR1339 arrives at 24:07 and takes 38 minutes to arrive there. Sentence3: Thank you. I will also need to find a restaurant that serves Mediterranean food and should be in the expensive price range. Sentence4: What day and time are you leaving Cambridge? Sentence5: Sure, their address is Thompsons Lane Fen Ditton. Is there anything else I can help you with? Sentence6: nope. i think that is all. enjoy your day and stay out of the rain. bye Sentence7: La Mimosa is a great expensive Mediterranean restaurant in the centre. Would you like to book a table? Sentence8: You have a great day, too. Thanks for calling. Goodbye. Sentence9: What is the arrival time? Sentence10: TR1339 is leaving at 23:29 and it is priced at 10.10pounds. can i book? Sentence11: I'm leaving after 18:45 on thursday. Sentence12: I'd like some information on a train going to bishops stortford departing from Cambridge. Sentence13: No I would just like their telephone number please. Sentence14: Can I get their address please? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Ok, hope you have a wonderful time. Thank you, goodbye. Sentence2: Booking was successful. Reference number is : WYO54VCI . anything else? Sentence3: I would also like to book at a guest house named Aylesbray Lodge, starting Monday. Sentence4: Happy to assist. Sentence5: I'm starting to book your reservation at Aylesbray Lodge starting on Monday, how many days will you be staying? Sentence6: I will be staying for 3 nights. Sentence7: No that will be all. Thank you! Sentence8: That sounds good, I like that. Could you tell me what the postcode is please? Sentence9: Hi, can you help me with some trip planning? I could use some suggestions for places to go in town. Sentence10: I'm looking for a theatre in any part of the city. Can you recommend one? Sentence11: the postcode is cb11pt Sentence12: There is the Mumford theatre, it is located at Anglia Ruskin Enterprise, East Road in the Centre area. Sentence13: I'm grateful for your services. Sentence14: OK, and how many people will be staying in the room? Sentence15: I can definitely help you with that. Is there a specific type of attraction you are interested in or section of the city you were looking at? Sentence16: 2 people, is that fails then try 1 night. Please provide the reference number. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System