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

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
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Q: Sentence1: Yes, free internet is included at The Cambridge Belfry. Sentence2: Great, I'd like to book at room at The Cambridge Belfry. Sentence3: The cambridge belfry matches those requirements. Sentence4: I can book your room now. Thank you so much Sentence5: I am looking for a 4 star hotel that has free parking. Sentence6: Does it have free internet? Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Great, thanks so much! Can you please book me a taxi from the college to the restaurant that arrives by the time of my reservation? Sentence2: I am in the center are of Cambridge, are there any Japanese restaurants in that part of town? Sentence3: Reference number is : KJBB2GXB . Anything else? Sentence4: Have a nice day. Sentence5: Your taxi has been booked. It will be a grey Volkswagen and their contact number is 07598698020. Sentence6: What day and time would you like the reservation for? Sentence7: Yes, could you try the north please? Sentence8: Yes, if you could that would be great. Can I get their number please? Sentence9: I need reservations for 8 people please. Sentence10: Thank you. You as well! Sentence11: Unfortunately, there aren't any entertainment venues in the centre. Would you like me to search for a different type of venue or in a different area? Sentence12: The phone number is 01223339485. Sentence13: okay are their any colleges around? I need a phone number, entrance fee and address of one that you would recommend please Sentence14: Phone number is 01223462354. Is there anything else I can help you with? Sentence15: My favorite college in the centre is Jesus College on Jesus Lane. It's very Jesus-y. Would you like their contact information? Sentence16: phone number, entrance fee, and address. Sentence17: Yes, I am looking for places to go in the same area as the restaurant. Possibly and entertainment type of venue. Sentence18: I'm sorry, there are none in the north. I have found a few in the east, south and west. Would any of those areas work for you? Sentence19: Yes. There is one Japanese restaurant in the centre. It is called Wagamama and is in the expensive price range. Would you like me to place a reservation? Sentence20: I need a table for 8 at 14:30 on thursday. Question: Who has spoken the sentence 16? (A) User (B) System

A:
Answer: (A) User
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