You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: The area isn't important but I'd like to stay in a guesthouse if possible. Sentence2: Tuesday. 5 nights. Reference number please. Sentence3: Okay, great! I would like to book a room please. There will be 3 of us. Sentence4: No, that will be all. Thanks very much. Sentence5: Of course! You're booked with reference number 7BWSFBYX . May I assist with anything else? Sentence6: Yes, it does have free internet. Sentence7: I think the Bridge Guest House would be perfect for you. Would you like to make a reservation? Sentence8: For how many days and when would you be coming? Sentence9: I am look for a place to stay that is in the moderate price range and it should include free parking. Sentence10: Thank you, have a good stay. Goodbye. Sentence11: We have 14 places that are moderately priced with parking. Do you want any particular area? Sentence12: Does it have free wifi? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System