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: Sure, that post code is cb39al. Can I further assist you? Sentence2: I'm interested in visiting colleges while in town, can you please recommend some? Sentence3: I can recommend clare hall and christ's college. You need phone numbers for either one? Sentence4: Okay the TR5009 leaves at 18:40. Sentence5: Yes I also need a train to stansted airport on sunday Sentence6: That sounds great, do I call to book a seat or can you help me? Sentence7: No, thanks. That's all I needed. Sentence8: I'm glad I was able to help you. Thanks for using our service have a nice day. Sentence9: Sure. Where will you be departing from, and what time? Sentence10: Please book for 6 people. Sentence11: I am leaving from Cambridge. I would like to leave sometime after 18:00. Sentence12: I would like the post code for clare hall please. Sentence13: I would be more than happy to help you book! Tickets are 8.08 pounds. How many tickets would you like me to book for your trip? Sentence14: Booking was successful, the fee is 48.48 GBP payable at the station . Reference number is 4ESBHTB0 . Is there anything else I can help you with? Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: There is one theater located in southern Cambridge. The Junction is located on Clifton Way, cb17gx. You may can 21223511511 for more information., Sentence2: What will be your destination and arrival or departure times? Sentence3: From the hotel that was booked for me Sentence4: What is the postcode? Sentence5: I want to check out a theater in the south area of cambridge. Sentence6: There are not any in the area that match your requirements. Would you like me to check another area? Sentence7: How about one in the south? Sentence8: I have made your booking and here is the information:Booking was successful. Reference number is : O8FKIXR2 . Sentence9: Unfortunately I don't have that information. But, again, you could call them at 01223511511 for that information. Sentence10: Postal code is cb17gx, the address is clifton way. Sentence11: thanks alot for helping. have a good day Sentence12: Please state your departure site and destination site so I can book that taxi. Sentence13: Your taxi has been booked. It will be a white Tesla and the contact number is 07767786743. Sentence14: Thanks! I also need to book a taxi from the hotel. Sentence15: no, i don't. I just a reservation for 4 people for 4 nights starting on saturday. Sentence16: You're welcome, and thank you, likewise! Sentence17: What is the entrance fee? Sentence18: I need to go to the theatre. I need to leave the hotel by 13:00. Sentence19: Can you recommend a moderately priced hotel in the centre, that has free internet and free parking? Sentence20: Yeah, there are two in the south. Aylesbray Lodge and Bridge Guest House. Do you have a preference between the two? Question: Who has spoken the sentence 13? (A) User (B) System


Output: Answer: (B) System