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

Ex Input:
Sentence1: Yes please, two people for two nights on sunday. Sentence2: Yes! Can you book for 2 people at 14:15 on this Sunday? Sentence3: Reference number is : E9BM21NJ . Is there anything else I can assist you with? Sentence4: Are you sure there is nothing more I can help with today? Sentence5: Great that will be all we need. Sentence6: Can you help me find a place to eat in the expensive price range in the south part of town? Sentence7: I have one matching result. It is the lensfield hotel. Do you want to reserve a room? Sentence8: I was able to book your party of 2 into The Chop House on Sunday at 14:15 Reference: MUWLBLLW . May I assist with more today? Sentence9: What about the cambridge chop house. The address is: 1 Kings Parade. You you like me to book a table? Sentence10: Do you have a reference number? Sentence11: This time that is everything, thank you for your help. Sentence12: Actually yes I will be needing somewhere to stay too please. A 3 star hotel in the same area and price range as my restaurant. Sentence13: You are welcome enjoy. Sentence14: Ok, I've booked the Lensfield Hotel for you for 2 people and 2 nights starting Sunday Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: What day would you like to book? Sentence2: Can you tell me the price range? I also need the address. Sentence3: Before I can book it, I would need some more information. How many days you would like to stay? Sentence4: There at three different price ranges. Do you prefer cheap, moderate, or expensive? Sentence5: There are a handful of locations in the area that suit your needs. I would recommend Rosa's Bed and Breakfast, a four star hotel with free wifi at an affordable price. Sentence6: rosa's bed and breakfast is a cheap hotel. their phone number is 122 351 2596. Sentence7: Thank you that's all the info I needed today Sentence8: Please book it for 4 people at 11:45 on Monday. Sentence9: I also need a taxi to take us from the hotel to the restaurant that will arrive by 10:45. Can you do that for me? Sentence10: I'll take Pizza Hut Cherry Hinton. I'd like a table for 4 at 11:45 on Monday. Sentence11: I would be happy to book that for you, but first I want to confirm you want to start your stay on Monday is that correct? Sentence12: I was able to book a taxi for you. It is a grey Toyota and the contact number is 07075458208. Is there anything else I can help with? Sentence13: It does not matter. But do tell me the address and price range of the place you book for me. Sentence14: You're very welcome, glad I could help! Have a good day. Sentence15: I have 2 italian restaurants for you. I have Pizza Hut Cherry Hinton and Frankie and Benny's. Can I make you a reservation at one of those? Sentence16: It fills both of those criteria. Do you want me to book it? Sentence17: I was able to reserve a table for you. The reference number is 8HB1J70L . Is there anything else I can help you with? Sentence18: What is the address and price range of Rosa's Bed and Breakfast? Sentence19: I want to find a place to stay on the south side. I want free wifi too. Sentence20: How about 10:45? Sentence21: i would like to book it for seven days, four people, can you do that for me? Sentence22: I am sorry but there is not an availability meeting your criteria. Would you like to change your day or time so I can try again? Sentence23: That sounds great, as long as it has free parking and is a guesthouse type of hotel. Sentence24: That is correct. I'll need a restaurant booked as well, in the same area and serving Italian cuisine. Question: Who has spoken the sentence 22? (A) User (B) System

Ex Output:

Answer: (A) User