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

[EX Q]: Sentence1: The area doesn't really matter, can you pick a popular me for me? Sentence2: hmm, what about chinese food? Sentence3: You're all set! It's a grey volvo. If you need to contact the driver for any reason, the contact number is 07174343971. Sentence4: Yes, I'd like to take my husband there at 11:30 on Wednesday. Sentence5: Sure I've found an expensive place named yu garden in the east, would you like me to book something? Sentence6: Thank you, you were a great help. That's all I needed. Sentence7: have great day too Sentence8: welcome and have a great day Sentence9: Booked! The table will be reserved for 15 minutes. Your Reference number: 5R5C75ZP . Sentence10: Would you like me to reserve it for you. Sentence11: Sure. What time would you like to leave? Sentence12: I'd also like to book a taxi from the pool to the restaurant that arrives by the reservation time. Sentence13: Parkside Pools is centrally located and their address is Gonville Place. Is there anything else I can help you with today? Sentence14: i am looking for a swimming pool. Sentence15: I'll be going now. Good-bye Sentence16: As long as it arrives by 11:30 it doesnt matter when it leaves Sentence17: Sure, which part of town are you looking for? Sentence18: I'm looking for a sri lankan restaurant. Sentence19: Yes, please. I'll need the contact number and car type. Sentence20: I'm sorry. I'm not able to find anything that meets your criteria. Would you like to try a different type of food? Question: Who has spoken the sentence 17? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Booking was successful, the total fee is 75.59 GBP payable at the station . Reference number is : LQKC8QD2 . You'll be on the TR1193 which will arrive at 12:54. Sentence2: Thanks for helping me, I am all set. Sentence3: Are you looking for a place to visit, eat or stay? Do you need transportation? Sentence4: Can you book 2 tickets for a train that arrives closest to 13:00 please? Sentence5: Great, thank you for visiting us and I hope that you enjoy your stay. Sentence6: I am looking for information in Cambridge Sentence7: I found 7 trains that match your criteria. How early do you want to leave? We have trains running every hour from 05:09 to 11:09 Sentence8: I'm interested in any boats on the westside. Sentence9: Okay great! I also need a train. Can you assist me with that? Sentence10: There are a number of colleges in the west. I suggest magdalene college on magdalene street, cb30ag. Phone is 01223332138. Entrance is free. Sentence11: Sure, I am going to be travelling from Leicester to Cambridge on Monday. I need to arrive by 13:00. Sentence12: Okay what about any atttaction that is in the type of college and if available may i have the entrance fee, phone number and postcode. Sentence13: Yes, I need more information on your trip first. Sentence14: There are no boats on the west side of town right now, do you have something else you'd like to try? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: the phone number for old schools is 01223332320 Sentence2: Okay, when and where are you going? Sentence3: I'm looking for architecture in the centre of town. Can you help me with this? Sentence4: Could I also get the phone number for the school? Sentence5: I will also need a taxi. Sentence6: What is the entrance fee for the school? Sentence7: There are 15 Italian restaurants in the city, could you give me a preferred location, so I can narrow the options down? Sentence8: 6 on Thursday at 16:45 please Sentence9: Old schools to the restaurant. Sentence10: You are welcome enjoy Sentence11: Hmmm how about Italian then Sentence12: Can i get the post code too please? Sentence13: We do not have any Caribbean options here, can I lookup another cuisine type or narrow it down by anything else? Sentence14: Yes the postal code is cb21tt. Sentence15: Ok, I'm also looking for a cheap place to grab some food. Maybe carribean? Sentence16: Certainly. There are four churches and a school you could visit. Sentence17: You are booked and your booking reference number is I3JNKDOD . Sentence18: Thank you for your help today, I do not need anything else. Sentence19: For the school it is free. Sentence20: Your all set, a yellow lexus will be picking you up in time for your reservation the contact number is 07323746090, is there anything else? Sentence21: I recommend dining at ask. How many people for your reservation, and what day and time? Sentence22: I would like to make sure the taxi arrives at the restaurant by my 16:45 reservation. Sentence23: I just want a cheap italian place. Choose one you recommend for me. Then I need help reserving it. Sentence24: What time would you like the taxi? Question: Who has spoken the sentence 16? (A) User (B) System
[EX A]:
Answer: (A) User