You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Yes, that will work. Sentence2: Rosa's bed and breakfast is a guesthouse in the south area that meets your preferences. Would you like me to make a reservation for you? Sentence3: When would you like to visit? Sentence4: I'm not finding any. Would you care for another part of town? Sentence5: Thank you for using our services & have a good day. Sentence6: I really need internet. Can you tell me if they have free wifi? Sentence7: Yes they do! Do you have any other questions about Rosa's? Sentence8: Sure. Is there anything else I can help you with today? Sentence9: Ok, are there any hotels in the cheap price range in the south part of town? Sentence10: Yes, the Lensfield Hotel is an expensive hotel in the south with 3 stars, free wifi, and free parking. It's located at 53-57 lensfield road cb21en. Would you like to book? Sentence11: No, that's fine! Sentence12: Can we check for guesthouses? Sentence13: Yes, Rosa's absolutely has free WiFi. Can I book a room for you? Sentence14: I don't need a reservation right now, but does Rosa's B&B have internet? Sentence15: No, that is all I need. Thank you. Sentence16: Are there any proper hotels in the south? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User