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: I'd like free wifi included please. Sentence2: You have reservation at acorn guest house for 8 people 4 nights starting Thursday.I will give you the reference number. Sentence3: OK ... can I have that reference number, please? Sentence4: I will book it for you,is there anything else I can do for you ? Sentence5: The Acorn guesthouse is in the moderate price range and has wifi. Would you like to book a room? Sentence6: Yes. Please book for 8 people for 4 nights starting Thursday. Sentence7: Your reference number is PJDTNB2Z . Sentence8: Can you help me find a moderately priced guesthouse? Sentence9: Yes, I need the reference number. Sentence10: We have 15 guesthouses in that price range, any other preferences? Question: Who has spoken the sentence 8? (A) User (B) System
Output:
Answer: (A) User