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

[EX Q]: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: You're welcome. Call back if you need further bookings or assistance. Sentence2: On Friday after 10. Sentence3: What you are looking for can not be found. Is there any other area you would mind searching in? Sentence4: Can you also give me the travel time? Sentence5: Thanks! Can you also see if there are any expensive, 4-star guesthouses in the north area of town? Sentence6: Yes, that will be great. How much does a ticket cost? Sentence7: A ticket is 23.60 pounds. Sentence8: Okay. What day will you be traveling? Sentence9: Avalon is a moderate priced 4 star guesthouse in the north part of town. It has free internent. Would you like more information or can I book it for you? Sentence10: Can you book it for 4 people and 4 nights starting from Monday? Sentence11: The travel time is 51 minutes. Sentence12: Booking was successful.Reference number is : 1VF2W9YC . Sentence13: The TR1502 leaves friday at 11:00. Sentence14: No I want to stay in that area. What other hotel accomadations are in the area? Sentence15: I need to take a train from Cambridge to London Kings Cross, it would need to be after 10. Sentence16: Thank you! That is all. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System