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

[Q]: Sentence1: i am looking for information in Cambridge. Sentence2: I can certainly help you with that! What do you want to know? Sentence3: The hotel should have a star of 4 and should include free parking. Sentence4: I'd like to stay at a guesthouse that offers free wifi. Sentence5: The Alexander bed and breakfast is a great place. Do you need a reservation? Sentence6: Acorn Guest House would be perfect for your needs. Sentence7: yes, please. 6 people for 3 nights starting on thursday. Sentence8: Do you have a price range or area preference? Because if not, how about a and b guest house located in the east and moderately priced. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Not in that criteria, perhaps another area or price range? Sentence2: I'm booking you a table for 5 at 11:00 Saturday at Charlie Chan. What name should I place this under? Sentence3: I want to eat chinese food in the centre. Sentence4: Yes, please try J Restaurant. Asian Oriental food sounds good. Sentence5: I was able to book you into the J restaurant and your reference number is 87G7FWZM . Sentence6: Thank you for your help! That will be all. Good Bye. Sentence7: Booking was unsuccessful. Would you like to find another restaurant? Sentence8: I don't know what I was thinking earlier, we actually have a lot of cheap restaurants in the centre. J Restaurant serves Asian Oriental. Should we try that? Sentence9: How about Charlie Chan? It is a cheap chinese restaurant in the centre. Sentence10: You're welcome, have a great day! Sentence11: Are there any in the same area and price range but not Chinese? Sentence12: Sure. I would like to book a table for 5 people at 11:00 on Saturday. Sentence13: Are there any other cheap restaurants in the area? Sentence14: Book it for XXXX, can I please get a reference number? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Their number is 01223812660. Sentence2: Great! Have a great day! Sentence3: Unfortunately, they are fully booked during that time slot. Would you like me to try for a different time or day? Sentence4: Yes, I'm looking for a cheap place to eat on the east side. Do you know of anything? Sentence5: How about 11:15? Sentence6: Yes. Please give me the telephone number. Sentence7: yes I have one listing for an international place called The Missing Sock. It is very popular. Would you like their telephone number? Sentence8: Thank you so much, that is all I needed! Sentence9: Thanks! Now could you make a reservation for me? I need a table for 1 on Saturday at 12:15, please. Sentence10: May I have the reference number please? Sentence11: Your reference number is FK3AREID . Sentence12: You've been booked for 11:15. Do you need anything else? Question: Who has spoken the sentence 10? (A) User (B) System
[A]:
Answer: (A) User