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: I have several options for you; do you prefer African, Asian, or British food? Sentence2: Yes. Can you book it for me? Sentence3: Sure, when would you like that reservation? Sentence4: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation? Sentence5: i need a place to dine in the center thats expensive Sentence6: Your booking was successful. Your reference number is FRGZWQL2 . May I help you further? Sentence7: Sounds good, could I get that phone number? Also, could you recommend me an expensive hotel? Sentence8: That is all I need to know. Thanks, good bye. Sentence9: There is an Afrian place named Bedouin in the centre. How does that sound? Sentence10: i want to book it for 2 people and 2 nights starting from saturday. Sentence11: Thank you so much for Cambridge TownInfo centre. Have a great day! Sentence12: Bedouin's phone is 01223367660. As far as hotels go, I recommend the University Arms Hotel in the center of town. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User