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

[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
[A]: Answer: (A) User


[Q]: Sentence1: Yes, what type of attraction is Cherry Hinton Water Play? Sentence2: Please book it and send me the confirmation code. Sentence3: Again thank you and have a great day. Sentence4: Thanks I'm also looking for a train that leaves on Thursday. Sentence5: Just one seat. Sentence6: OK, what are your departure and arrival stations, and what time do you want to travel? Sentence7: Before i book it, could you confirm the number of seats you need? Sentence8: You're welcome! Is there anything else I can help you with? Sentence9: It is a park. Sentence10: Excellent, I can't wait to visit it! Thank you. Sentence11: I am looking for information about the the Cherry Hinton Water Play Sentence12: excellent, have a great day! Sentence13: I'd like to go to Cambridge via Broxbourne. I'd like to leave on Thursday and arrive no later than 12:00. Sentence14: That is a free park on the east side of town. They are located at Cherry Hinton Hall on Cherry Hinton Road. Their phone number is 01223446100. Sentence15: I have on that arrives at 11:32. Would you like me to book that for you? Sentence16: Perfect thanks for the help thats everything I need! Sentence17: Well I glad i can help enjoy your stay ! Sentence18: Your booking was successful! The reference number is 698RE4W1 . The total fee of 17.89 is payable at the station. Question: Who has spoken the sentence 17? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Enjoy your visit to Kettle's Yard. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence2: Which type of museums are available? Sentence3: I have found several galleries and museums in the west side of town, were you looking for something with free entrance? Sentence4: Thanks. No, that will be it. Sentence5: Tell me about museums on the west side of town. Sentence6: There are three galleries, two museums, kettle's yard, and the people's portraits exhibition at girton college. Sentence7: I'd like to go to a museum. Can you tell me your favorite? And if you have their phone number that would be really great. Sentence8: I find Kettle's Yard to be fascinating. Their phone number is 01223748100, and they're located on Castle Street. Can I be of any further assistance? Question: Who has spoken the sentence 6? (A) User (B) System
[A]:
Answer: (A) User