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: Thank you so much. The restaurant and train are all I need for now. Have a great day. Goodbye. Sentence2: I'll need to arrive by 11:00 and it should be going to london liverpool street. Sentence3: yeah i need a train too Sentence4: Train TR4259 arrives in London Liverpool Street at 9:27. It's the closest arrival time to 11:00. How many tickets would you like to book? Sentence5: Understood. You have a choice between Sala Thong and Bangkok City. Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : RARTE3OH . is there anything else i can help you with? Sentence7: Can you help me find some Thai food to eat tonight? Sentence8: I would like 2 tickets please. Sentence9: Ok! Have a great day! Sentence10: I don't care where, just as long as it's expensive! Sentence11: What area of town would you prefer? Sentence12: Sala Thong sounds good. Please make a booking for 2 at 11:45 on Monday Sentence13: Where will you be leaving from? Sentence14: Let's pick something arriving between 11:00 and 10:30. It needs to depart from cambridge and leave on tuesday. Sentence15: There are 21 trains available. Would you like to narrow it down by departure site, day, or departure time? Sentence16: Your reservation for 2 on the TR4259 train was successful, the total fee is 33.2 GBP payable at the station. Your Reference number is : FNRSFZWB Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: There are 33 entries for expensive restaurants in the centre. Would you like to hear some options? Sentence2: As far as thai food goes, I happen to have one place. Good thing is they are very highly recommended. It is called Bangkok City. Would you like a reservation? Sentence3: Hello, I am looking for a restaurant. The restaurant should be in the centre and should serve modern eclectic food. Sentence4: Cambridge Contemporary Art is very nice. It's in the centre part of town, like the restaurant, and it's free to get in. Can I help you with anything else? Sentence5: No, that is all. Goodbye. Sentence6: Fantastic, can you also find me a museum attraction? Sentence7: Any type would be fine I just need to know the area and entrance fee of one you would recommend. Sentence8: Can you try booking at 15:45? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1NY7QJKY . Sentence10: Are any of them modern eclectic food? Sentence11: Yes, I'd like to book for 2 people at 16:45 on tuesday. Sentence12: Okay. Have a lovely day then. Sentence13: Dang...How about some Thai food instead Sentence14: There are several wonderful museums in town. Is there a specific area you prefer? Sentence15: Are there any other expensive restaurants in that area that may be nice to visit? Sentence16: There are no restaurants in that are would you like to try a different area? Sentence17: No, there doesn't seem to be any modern eclectic places at all. Would you like a different type of cuisine? Sentence18: I'm sorry, but they seem to be all booked up at that time. Would you like to try a different day or time? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Can I just get the address, star rating, and phone number? Sentence2: The Cambridge Belfry is a 4 star hotel at back lane, cambourne cb236bw. Their number is 01954714600. Sentence3: I need the train for Tuesday departing from Cambridge after 10:30. Sentence4: I recommend the Cambridge Belfry. Will you be booking a room today? Sentence5: I'm looking for a hotel to stay at in the West area of town. Are there any hotels that have free wifi over there? Sentence6: I'd be happy to help you with that. What day do you want to travel? Sentence7: Can I just get the train ID of one of them please? Sentence8: No problem. Goodbye. Sentence9: There are 11 trains of that type, leaving one minute after the hour every hour starting at 11:01. Would you like me to book a ticket? Sentence10: Yes, I have 4 entries for those criteria. What's your price range? Sentence11: The train ID for the 11:01 train is TR2130. Can I help you with anything else? Sentence12: Hi! I need a train to Broxbourne after 10:30. Sentence13: Cheap, it needs free parking also. Sentence14: Thank you for your help. Have a good day! Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (B) System