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

Input: Consider Input: Sentence1: Could you check the spelling(city centre north b and b) and try to search again? Sentence2: The TR2512 takes 51 minutes. Anything else you need? Sentence3: I will be traveling on Thursday. Sentence4: It is a cheap, 0 star guesthouse located at 328a histon road on the north side. It has free internet and parking. Phone number and postcode are 01223312843 and cb43ht. Sentence5: Yes I am looking for information on a hotel called City Center North B and B. Sentence6: Sure! give me the following information: Day of visit, number of people and number of days that you will be staying. Sentence7: I cannot find that hotel. Any other hotels you would like to find? Sentence8: You're all set. Your reference number is HOSVDEGA . Can I help you with anything else today? Sentence9: Do you have a time preference? Sentence10: Well that will not work. Sentence11: I need to arrive by 14:15. Sentence12: there are many trains but you need to tell us which day you want to travel Sentence13: I am also looking for a train into Cambridge from London Kings Cross. Sentence14: Please book for 2 people starting on thursday for 4 nights. Sentence15: enjoy your stay in Cambridge! Sentence16: The TR2512 will fit your needs. Would you like to book this train? Sentence17: The first train leaves at 5:17. Sentence18: Thank you. Are you able to book that for me? Sentence19: Not at this time. What is the travel time for that train, please? Sentence20: no that will be all thanks Question: Who has spoken the sentence 19? (A) User (B) System

Output: Answer: (B) System


Input: Consider 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

Output: Answer: (A) User


Input: Consider Input: Sentence1: yes sure its 56 saint barnabas road Sentence2: You are welcome, enjoy your stay. Sentence3: In the Centre is fine. Can you please check to see if any offer internet? Sentence4: Is there anything else I can help you with? Sentence5: The booking was successful. The table will be reserved for 15 minutes. Your reference number is : 23DPN5A7 . Is there anything else I can do to assist you? Sentence6: I would like a 4 star guesthouse with free parking. Sentence7: Thank you for all your help. Have a great day!! Sentence8: I have one entry for bangkok city would you like more information? Sentence9: It is expensive. Do you need something less expensive? Sentence10: Okay. What area are you interested in and what is your desired price-range? Sentence11: There are 16 four-star guesthouses with your requirements. Are you looking to stay in the centre of town? Sentence12: Yes, please. Is it expensive? Sentence13: A grey lexus is booked for you. The contact number is 07699737690. Sentence14: I see one option here. It is alexander bed and breakfast. Would you like to book? Sentence15: Does the hotel also offer internet? Sentence16: I'll need a taxi to take me to bangkok city from the hotel and arrive by 11:00. Sentence17: I also need a place to stay Sentence18: I'd like to find a Thai restaurant in the center. Sentence19: I do not want to book it at this time. Sentence20: No, that is perfect. I would like to book a table for 5 people on Wednesday at 11:00. Sentence21: Yes, alexander bed and breakfast has Internet. Do you want to book it? Sentence22: What is the address of the guesthouse? Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User