You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Thank you. Do you also book taxis? I would like one from Saint Mary's to the Little Seoul. Sentence2: Little Seoul is on 108 Regent Street City Centre. Would you like a reservation? Sentence3: There is a lot to do in the centre is there a type of attraction you want? Sentence4: Hi, I am traveling to Cambridge and I am looking for things to do in the city centre. Can you help me find something to do? Sentence5: I want to leave the church by 1:00. Sentence6: No thank you. Can you provide me with their phone number? Sentence7: I have booked you a taxi. The car type is a yellow Audi and the contact number is 07332260834. Can I help with anything else? Sentence8: No that will be all for today. Thanks alot. Goodbye. Sentence9: All right. Great saint mary's church is one our many churches famous for Architecture. It's 2 pounds to get in, and their number is 01223350914. Sentence10: What time would you like to travel by taxi? Sentence11: I have no preference. Pick any for me and please tell me the attraction type, entrance fee and phone number. Sentence12: Their phone number is 01223308681 Sentence13: You're welcome! Have a great day. Sentence14: I am also looking for a restaurant that serves Korean food, and is located in the same area as Great saint mary's church. Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System