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. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes, can you also help me find a hotel that has free parking and is expensive? Sentence2: What day and from where? Sentence3: I would like a 4 star hotel. Location isn't important, just quality hotel. Sentence4: Sure! Let's narrow it down a bit. Any preferences on location or star rating? Sentence5: The University Arms sounds good. I'd like to book 4 nights for 1 person, beginning on Friday. And I'll need the reference number, please. Sentence6: You are welcome. Thank you for using our service! Sentence7: We have a train departing from Kings Lynn, Friday at 15:11 which will be arriving at 15:58. The price is 9.80 pounds and the total duration of the trip would be 47 min. Would you like me to book this for you? Sentence8: Thank you for all the information. I would like to book this. Sentence9: The Huntingdon Marriott and the University Arms are both expensive 4-star hotels with free internet and parking. Is either of these of interest to you? Sentence10: That should be it, thanks! Sentence11: I would like it to have free parking and internet. Sentence12: I am leaving Friday from Kings Lynn. Sentence13: You booking was successful. Your reference number is XWZQ8GBA . What else can I help you with? Sentence14: Consider it done. It has been booked. Anything else? Sentence15: Hi, I am looking for a train that will be arriving by 16:00 in Cambridge. Sentence16: Sure thing! There are 21 four star hotels. Do you have any other needs, like internet, parking, or price range or style? Question: Who has spoken the sentence 14? (A) User (B) System
[A]:
Answer: (A) User