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

[Q]: Sentence1: Nothing in particular. Any recommendations? Sentence2: Yes, please coming in on monday for 5 nights for 3 people. Sentence3: We have amazing various of attractions in the centre area! What type of attraction are you looking for? Sentence4: I booked it for you. Your reference number is as follows: 5MM5C3UC . Is there anything else I can assist you with today? Sentence5: Any area is fine are there any with a 3 star rating? I don't need free parking or internet. Sentence6: Let me suggest the Museum of Archaeology and Anthropology. Their admission is free and the phone number is 01223333516. Sentence7: Would you like me to book it for you? Sentence8: Happy to help! Have a good trip! Sentence9: I have many moderate priced hotels available. What part of town would you prefer? Sentence10: alpha-milton guest house is in the north. Would you like me to book you a room? Sentence11: Can you book it for me and get a reference number ? Sentence12: i need a good place to go in the centre Sentence13: That will be all, thanks! Sentence14: I also need a moderate priced place to stay. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: i'm sorry, i was unable to find a different hotel that matches your criteria and the availability that you wanted. Sentence2: Good day, thank you for using us, if you need anything else let is know. Sentence3: Yes, I'm looking for an expensive hotel to stay at, can you help me? Sentence4: Is there a specific side of town you'd like to be on? Sentence5: Yes. I would like to stay at University Arms for 2 people, for 2 nights, starting from Friday. Sentence6: Booking was unsuccessful. Would you like to find another hotel? Sentence7: That's too bad. Would you be able to find me a different hotel in the same price range? Sentence8: Are both hotels or are they guest houses? Sentence9: Hold on, I forgot about the Gonville Hotel I mentioned earlier. I got you a room. Your reference number is : B01G0B4W. Can I do anything else? Sentence10: Thats disappointing,thank you andgoodbye. Sentence11: Yes, I would like to stay in the city centre. Also, I would need free parking. Sentence12: That is all. Thank you. Sentence13: You have the Gonville Hotel or the University Arms to choose from. The Gonville is a 3 star hotel while the University Arms is 4 star. Sentence14: They are both hotels. Would you like for me to book one of these hotels for you? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes in the same area and price range. I'll need a reference number too. Sentence2: Thank you. May I get a reference number? Sentence3: Can you book at table for 4 at chiquito on tuesday at 20:00 please. Sentence4: Yes, can you lookup the chiquito restaurant bar for me. Sentence5: Thank you Sentence6: Alright, your table will be booked for that time. Sentence7: Thank you that will be all. Have a great day! Sentence8: I'm sorry but the booking was unsuccessful. Would you like to try another restaurant? Sentence9: Yes I found it, what information would you like? Sentence10: I booked a table at The Good Luck Chinese Food Takeaway. Your reference number is MDK9A3PR . The restaurant is at 82 Cherry Hinton Road. Will that be all? Question: Who has spoken the sentence 8? (A) User (B) System
[A]:
Answer: (A) User