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

[EX Q]: Sentence1: Yes, I can! When and what time would you like to go? Also how many people is the reservation for? Sentence2: The address for Christ's College is Saint Andrew's Street. Sentence3: Great. Thank you for your help. Sentence4: Thank you. Will the taxi arrive at the restaurant by 16:00? Sentence5: Is there an entrance fee for the college? Sentence6: It has been booked the reference number is E8J6X7ZH the table will be reserved for 15 minutes. Sentence7: I've booked your taxi! A Grey Volkswagen will you pick you up and take you to the restaurant. The contact number is 07776457787. Can I help you with anything else? Sentence8: Yes, the taxi is due to arrive at 16:00. Sentence9: There are 13 colleges to visit in the centre. Are you interested in visiting christs college? Sentence10: I need to book a table for 7 people at 16:00 on Tuesday. Sentence11: Great. I'm looking for Midsummer House Restaurant also. Can you help me book it? Sentence12: There is no entrance fee for Christ's College. Sentence13: It's my pleasure. Let me know if you ever need anything else. Sentence14: Sounds great. What is the address? Sentence15: Hi! Can you tell me a little bit about the colleges that are in the center of town? Sentence16: I also need a taxi between both places to arrive by the booked time Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The phone number is 01954714600 and the address is back lane cambourne. Sentence2: In the west there are no parks. But there are colleges, museums, and an entertainment place called Whale of a Time if you are interested. Sentence3: Perfect, that is all I need to today! Thank you. Sentence4: Can you help me find an attraction in the west part of town? Sentence5: What type of attraction are you looking for? Sentence6: The post code for Whale of a Time is cb238el. The Cambridge Belfry fits your needs perfectly. Would you like me to make a reservation? Sentence7: Yes, the Cambridge Belfy is a 4 star hotel in the west area. Sentence8: Thank you. Goodbye Sentence9: please get me the postcode. I am also looking for a place to stay. The hotel should be in the cheap price range and should include free parking. Sentence10: Is that a four star hotel? Sentence11: What is their address and phone number? Sentence12: a park for kids or a mini mall ? Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]:
Answer: (B) System