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

Example input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example output: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system
Q: Sentence1: There are 7 museums in the west part of town. All but one are free to enter. Do you have any further criteria? Sentence2: Thank you very much. That's all I'll need today! Sentence3: Your reference number for the restaurant reservation is QT2C8PNF . Can I help you with anything else? Sentence4: Yes, I would like reservations for four for seven o'clock tomorrow evening. Sentence5: Their phone number is 01223312112 Sentence6: Sure thing, may I have their phone number? Sentence7: It needs to be in the west. Sentence8: Could I get the reference number for that booking please. Sentence9: Actually can I get reservations for 7 at 20:00 on Friday? Sentence10: How about an expensive restaurant in the west serving European food? Sentence11: Yes, please. Do you have their phone number? Sentence12: I also need a seafood restaurant that is in that same area Sentence13: No problem. I have you booked on Friday at 20:00 for 7. Anything else I can help you with? Sentence14: Would you like to visit cafe jello gallery? It is in the west with free entrance. Sentence15: Sorry, looks like there are no restaurants in the area with those requirements. Sentence16: Ok then. Goodbye. Sentence17: Yes. I would like a taxi to take me to the restaurant by my reservation time. Sentence18: I'm sorry that booking was unsuccessful, would you like to try another time or another day? Sentence19: The Cambridge lodge restaurant fits all your criteria. Can I book a reservation for you? Sentence20: Can you tell me if there are any museums in the west part of town? Sentence21: Booking for your taxi was successful. The contact number is 07760432022 and the care will be a white volvo. Sentence22: Will you be heading to the restaurant directly from Cafe Jello Gallery? Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User