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

Ex Input:
Sentence1: Unfortunately, no. La Margherita is an italian place. And, Thanh Binh serves vietnamese. Sentence2: Would you like for me to make you a reservation? Sentence3: Thank you for using the Cambridge Town Info Centre Services! We hope you enjoy your time in Cambridge Sentence4: yes, I want to book a table for 6 people at 12:00 on sunday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H0BFXWTP . Can I help you with anything else today? Sentence6: Yes, book that for 6 people. I would also like the reference number. Sentence7: Where would you like to go to? Sentence8: Thanh Binh would be perfect. Sentence9: Certainly! There are two great restaurants that meet your criteria. The first in La Margherita and the second is Thanh Binh. Would you like more information on one of them? Sentence10: Your booking was successful. The total fee is 113.28 GBP, which is payable at the station. Your reference number is A5ZWGBQ3 . Sentence11: Yes, could you find me a train from ely that same day? Sentence12: thanks so much you have been very helpful Sentence13: Does it serve creative food? Sentence14: TR3207 will arrive by 07.51. Should I book it? Sentence15: Can you help me find a cheap restaurant in the west side of town? Sentence16: I would like a train to Cambridge, arriving by 09:45. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: i need to know how how much the entrance fee is and the postcode if you may please? Sentence2: Is there anything else I can help you with? Sentence3: It is 8.08 pounds Sentence4: I will be traveling on Saturday and would like to arrive by 17:45. Sentence5: Thank you and goodbye Sentence6: Thank you! Can you also look up Cherry Hinton Hall and Grounds for me? Sentence7: What day and time time will you be travelling? Sentence8: Ok, thank you. Sentence9: Hi, I'll be visiting Cambridge soon, and I need a train from Stansted airport. It should arrive by 17:45. Can you help? Sentence10: No, thank you, that will be all. Sentence11: Yes, that would be perfect! What's the price of one ticket? Sentence12: Sure thing it is in the east of town, what information would you like to know about it? Sentence13: The post code is cb18dw but I do not have the information on the entrance fee. Sentence14: Great, there's a train departing at 16:24 and arriving at 16:52. Will this work? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Great, can I get the phone number and postcode? Sentence2: No thanks! I forgot that I'm going to the college instead. I do need a train that goes to Cambridge on Wednesday. I will depart from Kings Lynn after 11:00. Sentence3: Can you tell me a bit about the entertainment type places in the center of town? Sentence4: Wonderful. Thanks very much for your help today. Sentence5: Is there anything else you need help with today? Sentence6: I have 44 places. What type are you looking for? Sentence7: Your tickets have been booked. Your reference number is LNZ0GIXG . Sentence8: Sure, the phone number is 01223338000 and post code is cb21rh. What else can I assist you with today? Sentence9: That's everything I needed. Thanks and goodbye! Sentence10: I have a 12:11 that arrives n Cambridge at 12:58. Would you like me to boo that for you? Sentence11: unfortunately no. want to try another area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: I'm looking for an entertainment venue in the centre of town. Are there any? Sentence14: I want it to be a type of college. Sentence15: Yes, please I will need 5 tickets. Sentence16: There are 13 colleges in city centre. My personal favorite is Corpus Christi, even though they charge a 2 pound entrance fee. Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:

Answer: (A) User