You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: rose's bed and breakfast Sentence2: Are either of them located on the south side of the city? Sentence3: I'll definitely need something on the cheap side. Sentence4: Which hotel would you prefer me to book? Sentence5: Sounds great! have a nice day! Sentence6: I need to find a 4 star hotel with free wifi Sentence7: There are 21 hotels that meet your needs. Would you like to narrow it down by area or price range? Sentence8: Okay, please book 4 nights for 4 starting tuesday Sentence9: Booking was successful.Reference number is : MCCKYP80 . Sentence10: I have at least two properties matching your requirements and both are considered 4 star hotels. Would you like me to book one of them? Sentence11: Yes, two of them are. Aylesbray lodge guest house and rose's bed and breakfast Sentence12: Thank you! I don't require any further help. Question: Who has spoken the sentence 10? (A) User (B) System
Output:
Answer: (A) User