You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Alright, enjoy the rest of your day. Sentence2: There are no 4 star hotels in the center area. Sentence3: Just the four star and hotel, tell me what my price options are with that one. Sentence4: What would you like to pay per night? Sentence5: I need a 4 star hotel as well. Sentence6: cheap and moderate are the price ranges would you like to book a room? Sentence7: That sounds pretty neat. My daughter is really into the arts. Can I get their phone number please? Sentence8: Any would be fine. I just need to know the price range. Sentence9: Hmm are you sure about that? Can you check again? Sentence10: Can you suggest one in that area? Sentence11: Thanks I only needed the price ranges for those hotels. Have a good day. Sentence12: Absolutely! The phone number is 01223902168. Can I help you with anything else? Sentence13: Are you looking for lodgings near Cambridge Artworks, or in a different part of the City? Sentence14: Cambridge Artworks is a museum in the east located at 5 Greens Road and has no entrance fee. Anything else I can assist you with today? Sentence15: I'd rather stay in the centre if possible. Sentence16: Thank you, what is the address? Sentence17: Can you give me information about Cambridge Artworks, please? Sentence18: Im sorry, I am the manager and it is training day, we have two four star hotels in the centre university arms is expensive and alexander bed and breakfast is cheap? Sentence19: I am unsure of the address, can you look it up? Sentence20: I double checked. There are no 4 stars hotels in the center area. Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System