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: How about Tang Chinese? They are an expensive Chinese restaurant at Napier Street City Centre. Would you like me to make a reservation? Sentence2: No, I don't need a reservation. Just the phone number and post code please. Sentence3: Okay, there are a lots of options. What type of food would you like to eat? Sentence4: You're welcome. Enjoy your meal. Thank you for contacting the centre. Goodbye. Sentence5: I'm trying to find an expensive restaurant in the centre of town. Sentence6: I don't have any restaurants that meet that criteria. Is there another type of food or area you would be interested in? Sentence7: Belgian food please Sentence8: Ok, how about Chinese food then? Sentence9: You are quite welcome. Is there anything further I can assist you with? Sentence10: Great! Thanks so much. Sentence11: their phone number is 01223357187. and port code is cb11hr Sentence12: No that is all. Thanks Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System