You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Sure. How about Cafe Jello Gallery. The postcode is cb30af and phone number is 01223312112. Sentence2: not today. i also want information about a place to go and should be in the west Sentence3: To commute between both places, I want to leave the hotel at LEAST by 21:45. Sentence4: I am looking for a certain hotel. I think that it is called something like Allenball Sentence5: You're welcome. Let me know if you end up needing anything else. Sentence6: Would you like me to make a reservation there for you? Sentence7: Yes, Allenbell has both free parking and internet and is in the cheap price range. Would you like to reserve a room? Sentence8: A museum sounds fun can I have the phone number and postcode for the one you recommend? Sentence9: Sure! Where do you need it to go and when will you need it? Sentence10: Okay thank you, that's all I needed. Sentence11: Do you know if they offer free parking? Sentence12: Please look for a grey Audi. The contact number is 07213476873. What else can I help with today? Sentence13: There are 13 great places you could visit. Do you have a particular attraction in mind? I would recommend a museum. Sentence14: Thanks, can you also book me a taxi? Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System