Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Yes, could you provide me with their phone number as well? Sentence2: limehouse is a moderate priced guesthouse in the north at 78-80 milton road. Would you like to make a reservation? Sentence3: It is in the east area of town, and it does not tell me if there is an entrance fee. Can I help you with anything else? Sentence4: You're welcome, have a great day! Sentence5: It was successful. The booking number is WCRBSYUL . Is there anything else? Sentence6: That should be all, thank you. Sentence7: The telephone number is 01223446104. Can I help you with anything else? Sentence8: Please. I'll be checking in by myself on sunday, and staying for five nights. Sentence9: Yes. What can you tell me about cherry hinton hall and grounds? I am interested in visiting it. Do I need to book a tour? Sentence10: Yes, I'm looking for the hotel Limehouse. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User