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

Ex Input:
Sentence1: I have two restaurants that meet your needs, Graffiti and Travellers Rest. Would you like to make a reservation at one of those? Sentence2: Yes, I need to book a table for five people at 17:15 for this Thursday. Sentence3: Thank you so much. Have a nice day. Bye. Sentence4: A reservation at 16:15 was successful at Graffiti. Your reference number is VCCP7L4M . Is there anything else I can help you with today? Sentence5: You're welcome, have a good meal. Sentence6: Will you check 16:15? Sentence7: Are there any expensive British restaurants in town? Sentence8: There are 57 restaurants that match your specifications. Do you want anything more specific? Sentence9: Yes, I'd like to find one in the west side of town. Sentence10: I am unable to book a restaurant at that time on Thursday. Is there another day or time slot I can check for you? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I am planning a trip in Cambridge Sentence2: I found the express by holiday inn cambridge. It is a 2 star expensive hotel free parking and internet. The address is15-17 norman way, coldhams business park. Sentence3: Where will you be departing from? Sentence4: Thanks! i'm also looking for a place to stay in the east. Sentence5: I need to first find out what train will take me away after I am done. I need to get to Peterborough on Sunday by 21:45 Sentence6: Departing from Cambridge. I need the departure time, train ID and price. Sentence7: Okay, we've got a few options. The best looks like train TR6958 that leaves Cambridge at 20:34 and arrived in Peterborough at 21:24. The price is 13.2 pounds. Sentence8: That sounds like fun! What information can I help you find? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes, please make reservations. Sentence2: Your reference number is : MUBTUUTM . Can I help with anything else? Sentence3: I have a train TR4068 leaving at 5:35 and arriving at 5:52. Would you like to make reservations? Sentence4: yes please, for 5 people at 20:15 on Thursday. Sentence5: The best time matching your criteria is a departure from Ely at 11:35. Will that do? Sentence6: Yes, there are quite a few. Is there a day and time you would like to travel? Sentence7: I would like to find a cheap mediterranean restaurant in the centre Sentence8: Did you book for 5 people? Is there a train that arrives closer to but before 14:45? Thanks. Sentence9: There is one matching result. It is the gardenia. Do you want me to book something there? Sentence10: I'm looking for a train from Ely to Cambridge. Do you have any? Sentence11: I'm sorry, my travel day is actually Thursday, not Sunday. I need to arrive by 14:45. Sentence12: Thank you for using our services. Sentence13: Yes, leaving on Sunday at 10:00 AM Sentence14: Thank you that will be all. Sentence15: Booking was successful, the total fee is 22 GBP payable at the station . Reference number is : IPO23Y22 . Is there anything else I can help you with? Sentence16: yes with reference number Sentence17: I apologize about that. The closest I can get you there is on train TR4992 which will arrive at 13:52. Would you like me to book it for 5 people? Sentence18: Booking was successful. The table will be reserved for 15 minutes. Reference number is : HWJS11KB . Is there anything else I can assist you with? Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:

Answer: (A) User