Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Goodbye, have a wonderful day! Sentence2: Is there any other information I can get for you at this time? Sentence3: Absolutely. La Mimosa is located at Thompsons Lane Fen Ditton. The postcode is cb58aq. Their phone number is 01223362525. Can I assist you in making a reservation? Sentence4: I am looking to eat some mediterranean food. Sentence5: Certainly, there are many expensive restaurants in the town centre. What type of food do you prefer? Sentence6: No thank you!! Thank you for all your help. Sentence7: Hi, I would like to find an expensive restaurant in the centre of cambridge please. Sentence8: I have two great choices for you. La Mimosa and the Shiraz Restaurant. Can I offer you more information on one of these two? Sentence9: No, that's all for today. Goodbye. Sentence10: Sure, can I get the postcode, phone number, and address for La Mimosa, please? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User