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

Q: Sentence1: Yes do you have the name of the hotel? Sentence2: Booking completed! Expect a red Ford to pick you up at the hotel at 10:30. Their contact number is 07439027429. Can I assist you otherwise? Sentence3: It is in centre of town and has 4 stars and is priced expensive. Sentence4: I have booked it here is the information:Booking was successful. Reference number is : 4AHCO6OI . Sentence5: Hi, can you give me some information on a particular hotel? Sentence6: The post code for nusha is cb17dy. I'm checking on your taxi reservation. Sentence7: I need 3 nights starting on Thursday. Should have enough room to accomodate 4 people. Sentence8: What nights are you looking to stay so I can check the availability? Sentence9: Ok, thank you. I will need to know what kind of car is picking me up. Sentence10: It's called the University Arms Hotel. Sentence11: Okay, please provide me with the postcode, and also I want a taxi to take me there. It should leave the hotel by 10:30. Give me car type and contact number Sentence12: No, but thanks for all your help! Goodbye! Sentence13: There are two entertainment attractions in the south. I suggest nusha. Sentence14: can you try entertainment ? Sentence15: Great, can you help me find a multiple sports place to visit in the south also? Sentence16: I'm sorry, there are no multiple sports venues in the south part of town. Would you like to try another area or attraction? Sentence17: Have a great day! Sentence18: I'd like to book a few rooms for Thursday. Are there rooms available? Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Might I suggest the Autumn House. It is a cheaper guesthouse that offers both free parking and free internet. Would you like more info for them? Sentence2: It really doesn't matter. I don't need internet. I just for sure want a 4 star place. Sentence3: Thank you! Can you also get me a train going to Cambridge that day? Sentence4: Sure. There are six different options in that area. What were you looking for as far as price range and amenities? Sentence5: Is there anything else that you need? Sentence6: I need a 4 star hotel in the east, please. Sentence7: I think this is what I needed. Thanks. Sentence8: Sure! I just need to know where you plan on departing from and what time you'd like to leave. Sentence9: Booking was successful. Reference number is : 544D87NG . Sentence10: I need a room for 4 for 4 nights starting on Tuesday. Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: could you give me information about the cherry hinton village centre. Sentence2: I don't have a preference of area as long as it's an expensive restaurant. Sentence3: Your welcome. Is there anything else I can look up for you? Sentence4: Their phone number is 01223576412. What part of town would you like to dine in? Sentence5: Your booking was successful. The table will be reserved for 15 minutes. The reference number is 3SOJSHQN . Sentence6: What is it's phone number? Also are there any expensive British restaurants in town? Sentence7: Yes, it is a multiple sports venue located in the east part of town, post code cb19ej. The address is Colville Road, Cherry Hinton. Sentence8: Thank you that is all I needed. Sentence9: Thank you so much. Sentence10: enjoy your stay in cambridge Sentence11: Sounds good! I need a table for just myself at 11:30 on monday. Sentence12: There are a number of expensive british places in town. On the east side, there is the grafton hotel restaurant. Would you like to make a booking there? Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
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