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

Example Input: Sentence1: Booked car type : white toyota Contact number : 07264671188 All set. What else can I help with today? Sentence2: looking for places to go in town and be in the South Sentence3: Yes, please book it. Sentence4: Thank you. I'd also like to book a taxi. I need to leave the hotel by 10:15. Sentence5: When will you start your stay? Sentence6: What's the entrance fee? Sentence7: What type of attraction are you looking for? Sentence8: The attraction should be in the south. Sentence9: I think I got everything I need thanks to you! Sentence10: Unfortunately, Nusha has not provided any information on entrance fees. I can seek other options, if you'd like. Sentence11: I need it for Thursday night, for four nights, for 4 people. I'll also need a taxi by 10:15. I need the car type and contact number please. Sentence12: Booking was successful. Reference number is : Y3CFU8WN . Sentence13: There is a hotel called Cityroomz in centre located at Sleeperz Hotel, station road. Would you like me to book it for you? Sentence14: how about nusha? it's located in the south. Sentence15: then find me a particular hotel called cityroomz Sentence16: Well, you are very welcome. I hope you have a great time! Question: Who has spoken the sentence 13? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I would like it to serve food from the americas. Sentence2: 'Hotel du vin and bistro' and 'galleria' Sentence3: Certainly, can I book your table at hotel du vin and bistro or would you prefer a table at galleria? Sentence4: i have booked you a taxi, red tesla, phone number is 718 850 4433. Sentence5: Thank you have a great day. Sentence6: Do they offer free parking? And can I get the phone number for them please. Sentence7: There are 2. Did you want me to book one of them? Sentence8: Your table has been booked and is reserved for 15 minutes, reference number is M32YYIJN . Can I help you with anything else? Sentence9: Yes, there is free parking at Hamilton Lodge. The phone number is 01223365664. Sentence10: How about european food? Sentence11: Is it possible to arrange a taxi to take me from the hotel to the restaurant by 16:00? Sentence12: I have the information pulled up. What would you like to know about it? Sentence13: I need to book a table for 3 people at 16:00 on friday at galleria Sentence14: I would like to book a table for three on Friday, at 16:00. Sentence15: I'm also looking for a hotel called hamilton lodge. Sentence16: There are many moderately priced restaurants that meet your criteria, what type of food are you looking for? Sentence17: What are the names? Sentence18: Thank you that's all that I needed Sentence19: I am looking for a restaurant in the moderate price range in the centre of town. Sentence20: Unfortunately I could not find any restaurants serving food from the Americas in the moderate price range. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Ok great! That's all I needed. Thank you Sentence2: I would like the hotel if it has a 4 star rating. Sentence3: It's located in the east. Their phone number is 01223323737. Is there anything else I can help you with? Sentence4: Hi I need a hotel that is in the east. I don't need free parking. Sentence5: There are is one hotel and six guesthouses in the east. Would you like more information any particular establishment? Sentence6: You are very welcome. I'm glad I could assist. Sentence7: What day and time would you need that reservation to be? Where will you be traveling to with the taxi? Sentence8: Can I please have the phone number and area for Pizza Hut Fen Ditton? Also, the guesthouse we booked is 4 stars correct? Sentence9: I would love to try some french food while I am there. Could you help me find a restaurant? Sentence10: I'm sorry, but there is no 4 Star hotel in the East. May check different area or guesthouse? Sentence11: Unfortunately no. Would you like to try a shorter duration, or maybe a different checkin day? Sentence12: Just to commute between the two places. Sentence13: Yes, I would like a reservation for 5 people and book me a taxi that leave the restaurant by 16:15. Sentence14: There are no french restaurants in that area would you like to try something else? Sentence15: I guess so. I guess maybe a good italian place would work. Sentence16: Okay, your taxi is booked and the car will be a black bmw and their contact number is 07478029188. Is there anything else you need? Sentence17: Yes, can you tell me if that guesthouse we booked has 4 stars? Sentence18: What types of guest houses are there in the east? Sentence19: A and B Guest house is in the the moderate price range. It is on 124 Tenison road. Would you like me to book it? Sentence20: Do they have rooms for 5 people. for 2 nights, starting Saturday? Sentence21: Yes it is rated 4 stars. Sentence22: Okay, what about 1 night? Sentence23: I have six, what price range are you looking for? Sentence24: I am not particluar. Sentence25: Yes, that did the trick. You're booked with reference number 0NDTR3EG . Is there anything else I can help you with? Sentence26: How about Pizza Hut Fen Ditton? Would you like to make a reservation? Question: Who has spoken the sentence 24? (A) User (B) System
Example Output:
Answer: (A) User