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

[Q]: Sentence1: Thank you for the help, have a nice day. Sentence2: Hi, kohinoor is a cheap Indian restaurant, but doesn't specify that it is South Indian. Would you like the phone number? Sentence3: There are 8 trains that will arrive by 21:45. What time would you like to depart? Sentence4: how about 17:00. Sentence5: Great! I am also looking for a train that leaves on thursday and departs from cambridge. Sentence6: Hi, I'm looking for a place to eat, preferably a cheap South Indian restaurant. Sentence7: How many tickets do you need? Sentence8: Yes, that would be great. Could I get a reference number please? Sentence9: Is it in the centre of the city? Sentence10: Would you like for me to book a table at Kohinoor for you? Sentence11: What's the last train to arrive by 21:45? Sentence12: Yes, it is indeed in the centre. The phone number is 01223323639 Sentence13: Destination is Stevenage. I would like to arrive by 21:45. Can you book the train for me as well? Sentence14: It would be the one leaving at 19:21 and arriving at 20:10. Shall I book it? Sentence15: I need 1 ticket. Sentence16: Booking was successful, the total fee is 12.8 GBP payable at the station . Reference number is : 5TM8STAM . Sentence17: What is your destination? Sentence18: Yes, please. 18:00 on Wednesday for just myself. Sentence19: I'm sorry, they're all booked up at that time. Would you like to try a different time? Sentence20: It was a pleasure to serve you have a great day Sentence21: I was able to book that, your reference number is HEJFVRPP . Sentence22: Ok, thank you. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Price range doesn't really matter, but I do want a 4-star place with free parking and internet. Sentence2: I have 19 hotels that match that criteria. please be more specific about the area of town where you'd like to stay Sentence3: Do you prefer a formal hotel, or a guesthouse? Sentence4: OK, what price point do you want me to look for? Sentence5: Booking was successful at the alexander bed and breakfast. Reference number is : MDB2AV4K Sentence6: i need a place to stay Sentence7: The area doesn't matter. Please book for 6 people on Saturday with 4 nights stay. Sentence8: Can you give me a suggestion for a hotel and make that reservation please? Thanks. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: the area doesn't matter, could you recommend a place? Sentence2: Is there a specific area you would like to stay in? Sentence3: Can you just give me the price on it please? Sentence4: The TR4076 leaves at 13:29, and arrives at 14:07. Would you like to book it? Sentence5: Yes, I'll need a train to Cambridge that same day, please. I'll be leaving from Bishops Stortford after 12:45. Sentence6: The price for this train ticket is 10.10 pounds. Do you need anything else? Sentence7: I would like a place with a 4 star rating. Sentence8: Alright. Have a great day. Sentence9: There are 21 4 star hotels with free wifi, would you like me to narrow that down with any other details? Sentence10: Did you want it to be in a specific area of town? Sentence11: No, that's it. Thanks! Sentence12: Could you just pick one and book it for 6 people for 2 nights from Friday? Sentence13: need a hotel with free wifi please Sentence14: Huntington Marriott Hotel, 2 nights for 6 people beginning Friday. Your reference number is WQ7SC2AD . Is there anything else I can help you with today? Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System