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

Q: Sentence1: Yes please, two people for two nights on sunday. Sentence2: Yes! Can you book for 2 people at 14:15 on this Sunday? Sentence3: Reference number is : E9BM21NJ . Is there anything else I can assist you with? Sentence4: Are you sure there is nothing more I can help with today? Sentence5: Great that will be all we need. Sentence6: Can you help me find a place to eat in the expensive price range in the south part of town? Sentence7: I have one matching result. It is the lensfield hotel. Do you want to reserve a room? Sentence8: I was able to book your party of 2 into The Chop House on Sunday at 14:15 Reference: MUWLBLLW . May I assist with more today? Sentence9: What about the cambridge chop house. The address is: 1 Kings Parade. You you like me to book a table? Sentence10: Do you have a reference number? Sentence11: This time that is everything, thank you for your help. Sentence12: Actually yes I will be needing somewhere to stay too please. A 3 star hotel in the same area and price range as my restaurant. Sentence13: You are welcome enjoy. Sentence14: Ok, I've booked the Lensfield Hotel for you for 2 people and 2 nights starting Sunday Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: it is located at Thompsons Lane Fen Ditton and you can reach them at 01223 362525 . Sentence2: La mimosa serves mediterranean food in the centre of town. Would you like their information? Sentence3: You're welcome, goodbye Sentence4: Yes, I'd like the address and phone number please. Sentence5: looking for mediterranean food Sentence6: Thank you! Goodbye. Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I don't need to book right now. I just need the trainID and the ticket price, please. Sentence2: ADC Theatre is located on park street. I am unsure of the entrance fee. Sentence3: I would like to leave on Sunday please. Sentence4: Alright that's fine. Can I get a train that departs from London Liverpool Street and arrives there by 19:30? Sentence5: Is this for today? Sentence6: What is the entrance fee and address of the ADC Theatre? Sentence7: Sure, the price for TR8260 is 13.28 GBP per ticket. Is there anything else I can help you with today? Sentence8: I'm looking for a theatre in the center of town, please. Sentence9: There are 4 theatres located in the centre of Cambridge. They are ADC Theatre, Cambridge Arts Theatre, Mumford Theatre and The Cambridge Corn Exchange Sentence10: No thank you, that will be all. Sentence11: Okay, have a good day. Goodbye. Sentence12: There are 7 trains to cambridge that will arrive before 19:30. TR82260 arrives at 19:07 and departs at 17:39.Would you like to book this train? Question: Who has spoken the sentence 2? (A) User (B) System

A:
Answer: (A) User
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