Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Nope, that should be all for today, thanks! Sentence2: You're welcome. Have a good time! Sentence3: Can you book me a taxi as well? Sentence4: I want to go from the Allenbell to the Cafe Jello Gallery. I want to leave the museum by 23:00. Sentence5: Sure, what time would you like to leave and where from? Sentence6: Does it also have free wifi? Sentence7: There's 7 museums in the west and I highly recommend the cafe jello gallery. Would you like more information? Sentence8: Hello, i'm looking for a cheap hotel in the cambridge area close to local attractions. I don't need internet or parking. Can you help? Sentence9: The cafe jello gallery is at 13 magdalene street, postcode cb30af. Phone number 01223312112 Sentence10: I don't show any parks in the west. Would you like to try another attraction? Sentence11: That is perfect, I was looking for free parking as it was. Sentence12: its a 4-star. from which day should i book? Sentence13: Yes it does have Wifi. Would you like me to book you a room? Sentence14: Thank you that's all i need! Sentence15: All the lodging I have found offers internet and parking. Would that be ok? Sentence16: no problem. I have changed your booking. Your new taxi would be a black volkswagen and its contact number is 07276925880. Is that everything? Sentence17: Can you specify your destination? Sentence18: Can you look for a nice museum instead? Sentence19: I'm looking for a place in the cheap price range with free parking. Sentence20: I want to leave the museum by 23:00. Sentence21: Is there a particular part of Cambridge you are hoping to stay in? Sentence22: Yes, book one night please. What is the star rating by the way? Also what parks are in the west area? Sentence23: Actually, I'm not quite ready to book yet. But I am looking for parks in the west part of town. What are my options there? Sentence24: I'd like the postcode and phone number of that gallery please. Sentence25: Booking completed! The booked car type is a yellow skoda and your contact number is 07590574334. Can I help you with anything else? Sentence26: I think the Allenbell would be a good fit. Would you like a reservation? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System