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

Sentence1: I want to find a place to dine located in the north and moderately priced. Sentence2: No, just the phone number, thanks! Sentence3: Excellent. That's all I need, thanks! Sentence4: Thanks. Can you also help me find a hotel called Autumn House? Sentence5: We have two options for you to choose from, would you prefer Chinese or Indian cuisine? Sentence6: Have a lovely day! Sentence7: I am looking for a hotel called autumn house, do you happen to have their phone number please? Sentence8: Their phone number is 01223575122 Sentence9: It doesn't matter , please send me an address and postcode for one of them. Sentence10: Autumn House is located on 710 newmarket road. Would you like me to make a reservation for you? Sentence11: Golden Wok Chinese, cb43hlm, 191 Histon Road Chesterton. Sentence12: Their phone number is 01223575122. Is there anything else I could help you with? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System