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

Ex Input:
Sentence1: Okay, I've booked 4 tickets. Your reference number is FBZ6Z3NH . Can I help with anything else? Sentence2: the cambridge belfry is a cheap hotel. would you like me to make you a reservation? Sentence3: I don't have a preference, but I would like it to be rated 4 stars. Sentence4: Yes, can i book it for 4 people. Sentence5: Yes. I am also looking for a hotel that has free wifi and a 4 star rating. Sentence6: It is a hotel not guest house. Sentence7: welcome anytime you need us Sentence8: that is all for today and thanks for helping Sentence9: You are booked for 4 nights for 4 people starting on Friday at the Cambridge Belfry. Your reference number is FKV26SLF . May I help you with anything else? Sentence10: Yes, I would like a reservation. Sentence11: I would like it for 4 nights starting Monday for 4 people . Sentence12: Sorry, I want to stay in a guesthouse. Sentence13: What are your arrival details please? Sentence14: I see three options available. Two are expensive and one is cheap. What is your price preference? Sentence15: I appreciate everything. Have a great day. Bye. Sentence16: OK, we have many options for guesthouse in the cheap price range, including wifi. Is there an area you'd like to stay in? Sentence17: Where are you heading, and on what day? Sentence18: I would prefer the cheap one please. Sentence19: I don't think so but before I let you go, I just want to be sure, the cambridge belfry is a guest house, correct? Sentence20: Booking was successful. Reference number is : FKV26SLF Sentence21: Kings Lynn on Friday Sentence22: Can you help me find a train leaving after 12:15 departing from cambridge? Sentence23: thanks and welcome anytime Sentence24: TR8494 leaves at 13:11. Want to book? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I have two indian restaurants in the east, and one each in the north and west. Where do you want to dine? Sentence2: I've successfully booked your table. The reference number is GK41EYSD . Sentence3: I would like to go to a nice nightclub Sentence4: I need a restaurant that serves Indian food in the moderate price range Sentence5: Yes. I would like a reservation for 1 person at 13:15 on Thursday. Sentence6: No thank you, that is everything that I need. Sentence7: We have ballare that's night, it's in the city centre. Sentence8: Okay, what is the address and entrance fee for it? Sentence9: Thank you and enjoy your stay. Sentence10: Ballare is Heidelberg Gardens, Lion Yard, postcode cb23na and the entrance fee is 5 pounds. Is there anything else I can help you with? Sentence11: I am also going to need a taxi that goes from Ballare to Meghan and gets me to Meghan by 13:15 for my reservation. Sentence12: I would like the one in the west. Sentence13: OK, I have a grey skoda taxi booked for you. The Contact number is 07058412849. Is there anything else I can help with today? . Sentence14: Meghan is in that area and serves Indian food would you like to make a reservation Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: We have 19 trains that day starting at 5:16 and going by the hour, any preferred time range? Sentence2: Sure that sounds good can get a booking for 6 people at 11:30 on sunday. Sentence3: Charlie Chan is a good one. Would you like me to book it? Sentence4: Where will you travel to and from? Sentence5: Thanks for taking care of everything so quickly. Have a great afternoon! Bye. Sentence6: There is a train leaving at 6:16. Would you like me to book that for you? Sentence7: Charlie Chan is in the Centre. How about the lucky star? It's in the south. Sentence8: I'll be travelling from norwich to cambridge. Sentence9: There are six of us. Sentence10: i have train tr4202 that will arrive in cambridge by 08:35. how many tickets do you need? Sentence11: Your welcome. I am glad I was able to help. Sentence12: Is that one in the south? That's the area I'll be in. Sentence13: Thanks. I also need train tickets for Sunday. Sentence14: Anytime after 6 would be good thank you Sentence15: Ok. I have a table for 6 booked at 11:30 Sunday. The reference number is A57HXG6M . They will hold the table for 15 minutes. Sentence16: I need to be in Cambridge by 8:45. Can you book a train for that will arrive close to 8:45? Thanks. Sentence17: Booking was successful, the total fee is 84.48 GBP payable at the station .Reference number is : WPGYOY1Y . Sentence18: Hey any ideals for a cheap chines restaurant ? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System