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

[EX Q]: Sentence1: Sure, it's at granta place, Mill lane. Sentence2: Sure it's a moderately priced 4 star guesthouse in the east. Would you like me to book it? Sentence3: From all of us at Cambridge, we hope you enjoy your stay! Farewell! Sentence4: Thank you so much for all of your help today. I am all set. Bye. Sentence5: Could you tell me their address as well please? Sentence6: Thanks! I'm also looking for information on the A & B Guesthouse. What can you tell me about that place? Sentence7: Yes, the post code for the A and B Guest House is cb12dp. Is there anything else I can do for you? Sentence8: What is the phone number for scudamores punting co? Sentence9: Okay, which would you like to leave from? Sentence10: The phone number for Scudamores Punting Co is 01223359750. Is there anything else I can help you with today? Sentence11: Your taxi is booked. The car is a yellow honda and the contact number is 07826111038 Sentence12: May I have the postcode? Sentence13: I would like to leave the hotel by 7:00. Also, can you give me the contact number and car type once you have booked it? Sentence14: I also need a taxi to go between the two places. Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: You're quite welcome. Have a good day! Sentence2: Do you have any that would arrive at 17:45, leaving tuesday instead? Sentence3: the next train from kings lynn is Friday 5:11 to Cambridge Sentence4: Yes, there are 12 trains that fit that criteria. Do you have a desired departure time? Sentence5: I am looking for some type of entertainment. Sentence6: Sure, what are you interested in seeing? Sentence7: Can you help me find a train from kings lynn? Sentence8: All booked! Your train ID is TR8177 and the reference number is ZDTM4B8N . You will be arriving at 16:58. Sentence9: Thank you. I'm also looking for places to go in town. can you help me with that? Sentence10: Whatever gets me there as close to 17:45 as possible. Can you book it for 7 people please? Reference number and train ID would also be lovely. Sentence11: Funky fun house is located in the east side of town, address is 8 mercers row, mercers row industrial estate postcode cb58hy, phone 01223304705. Is there anything else needed? Sentence12: Thank you so much. That is all. Sentence13: There's the Funky Fun House on the east side of town, does that sound ok? Sentence14: That sounds great, may I have the postcode, phone number and area of town it is in? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System