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: I've successfully booked your room. The reference number is VZCXFU9V . Sentence2: No thank you, that is all I needed. Sentence3: They are located at 82 arbury road. Do you need anything else? Sentence4: Can I please have the address? Sentence5: The Arbury Lodge Guesthouse has a 4 star rating. Would you like me to book it for you? Sentence6: Can you tell me about moderately priced places to stay on the north side of town? Sentence7: Sure. Please book for 6 people and 3 nights starting Tuesday. Sentence8: Yes, I'd love to have free internet, and I'd really like to stay at a guest house if possible. Sentence9: There are 11 places to stay in the north part of town that are moderately priced. Do you have a need for parking or internet? Sentence10: You're welcome, enjoy your stay. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System