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

[Q]: Sentence1: I will take the phone number, entrance fee and address of the one you choose for me. Sentence2: I'm looking for some entertainment related places to go in the centre of Cambridge. Sentence3: Okay. How about a boat anywhere in town? Sentence4: I will choose for you the Cambridge punter, their phone number is 07807718591, they are found on 251a Chesterton road, they don't have an entrance fee. Sentence5: There are two boats in the centre, scudamores punting co and the cambridge punter. Would you like more information? Sentence6: I was unable to find any entertainment in the centre. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: i am sorry. i have double checked and still do not find anything matching your criteria. would you like a different star rating? Sentence2: I can help with that. What kind of price range do you have in mind? Sentence3: there are a variety of good things in the north it depends on what you want i will find whatever you request Sentence4: There doesn't appear to be a 4 star hotel with wifi in the north. Can I interest you in a lower star rating? Sentence5: i need a hotel with wifi in the north part of town Sentence6: Perhaps there is a guestroom? Sentence7: No but would you like to try another location ? Sentence8: No, the hotel needs to have a 4 star rating. Can you please check your system again? Thanks Sentence9: I am open as far as price range, but I would love a 4 star place. Sentence10: No I need the north. Is there anything else available in the north? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I have found 5 that fit that description. Is there a particular area you would like? Sentence2: I would like to book a table for 6 at 15:15 on Tuesday. Sentence3: Yes. I would like it to be in the expensive price range. Sentence4: Can you find me a Chinese restaurant please? Sentence5: Sure. There are 17 chinese restaurants in town. Are you looking for a certain price range or location? Sentence6: Thank you for contacting us and enjoy your meal at the hakka. Have a great day. Sentence7: Yes, thank you. That's all for now. Bye! Sentence8: I was able to get a table at Hakka in the north. The reference number is 7KW8MVL3 and they'll keep the table for 15 minutes. Does that suit you? Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System