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

Q: Sentence1: I will take the phone number, entrance fee and address of the one you choose for me. Sentence2: I'm looking for some entertainment related places to go in the centre of Cambridge. Sentence3: Okay. How about a boat anywhere in town? Sentence4: I will choose for you the Cambridge punter, their phone number is 07807718591, they are found on 251a Chesterton road, they don't have an entrance fee. Sentence5: There are two boats in the centre, scudamores punting co and the cambridge punter. Would you like more information? Sentence6: I was unable to find any entertainment in the centre. Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Sure. Please book for 4 nights starting on the same day. Sentence2: Perfect, thank you! I'm also looking for a guesthouse in the area, preferably in the North. Do you have an option that has free parking? Sentence3: I will go ahead and book that for you. Sentence4: Yes, please. I need 2 tickets. Sentence5: I was able to get 2 tickets. Your total is 28.64 GBP and will be payable at the station. Your reference number is 8UDKCNBU . Sentence6: You're welcome, it was a pleasure serving you! Sentence7: I am leaving from Broxbourne. Sentence8: There are 19 trains running from Broxbourne to Cambridge on Sunday. Is there a particular time when you need to travel? Sentence9: Booking was successful. Your reference number is : I78WB6O9 . Can I help you with anything else today? Sentence10: I'm sorry, how many people would you like to book the room for? Sentence11: I have just the train for you! TR9331 will arrive in Cambridge at 17:32, which is within your desired timeframe. Would you like me to book that for you? Sentence12: We have many in that area with free parking. Might I suggest the acorn guest house? Sentence13: From where are you departing? Sentence14: Can you get me one that'll arrive by 18:30? Sentence15: 2 people, 4 nights, for sunday. Sentence16: I'd like to get to Cambridge by train, but I'm afraid I need to travel on Sunday. Will that be possible? Sentence17: Thank you so much. Can I get the reference number also, please? Sentence18: No. Thanks a bunch! Goodbye Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: I'm sorry... are you staying with two people for two days, or alone for five days? Which days would you like me to reserve? Sentence2: Can you suggest one for me please. I need the postcode, entrance fee if any and phone number Sentence3: You're welcome! Have a great day! Sentence4: Never mind the booking. I need a taxi. Sentence5: Great, that's all I need...thanks so much! Have a great day! Sentence6: The taxi is all set, look for a grey toyota, they can be reached at 07596698267 if there are any issues. Any other questions? Sentence7: the fitzwilliam museum is a museum is free. Postcode: cb21rb. Phone: 01223332900. Sentence8: The Fitzwilliam Museum is my destination. Sentence9: Can you book a room there for 2 people and two nights? I'll need a reference number as well. Sentence10: Also looking for a 4 star hotel in the same area as the museum. Sentence11: What is your destination? Sentence12: Thank you that's all I needed today. Sentence13: can you recommend a good place to go in the centre? Sentence14: I want to leave the hotel by 20:00. Sentence15: you are welcome all the time Sentence16: Okay what time do you need the taxi? Sentence17: i will be staying for 5 days Sentence18: What day will you be staying? Sentence19: Yes! What type of attraction would you like to visit? Sentence20: We have the University Arms, which is an expensive hotel, or the Alexander B&B, which is a charming, but inexpensive, guesthouse. Question: Who has spoken the sentence 9? (A) User (B) System

A:
Answer: (B) System
****