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

Ex Input:
Sentence1: Can you tell me more about gourmet burger kitchen? Where is it? Sentence2: No, that's all I need for now. you've been very helpful. Thanks. Sentence3: They are in the towns centre. Expensive but worth every penny. Would you like to book a table? Sentence4: How about the postcode and attraction type for Byard Art? Sentence5: Thanks, I'm all done here. Sentence6: I have that table reserved. Your reference number is K94DWSQN . Can I help you with a taxi or hotel room? Sentence7: You're welcome. Have a great day! Sentence8: Unfortunately, we do not have information on several of them. But, Byard Art, Wandlebury Country Park, and Sheep's Green and Lammas Land Park are all free admission attractions. Sentence9: I have booked you a taxi that will get you there by 13:15. The car type is a blue Tesla and the contact number 07664553144. Can I do anything else? Sentence10: Enjoy yourself.You can call us if you need anything else Sentence11: no, not really. What are entrance fees on the 8 attractions? Sentence12: What can you tell me about attractions in the south part of town? Sentence13: I need a taxi from Byard Art that will get us to the restaurant on time. Sentence14: We have 8 attractions in the south part of town. Do you have a preference of type? Sentence15: Yes please, a table for 6 people at 13:15 on Tuesday would be amazing. Sentence16: Postcode, cb21sj, and the type is museum. Is there anything else I may help you with? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Not really but I would like to make a reservation for 7 people at 16:45 on a Friday. I will need the reference number as well. Sentence2: I also need to get a taxi to go from the hotel to the restaurant. I need it to arrive at 16:45. I'd like the contact number and the car type. Sentence3: The car type is a White Volkswagen and the contact info is 07869317817. They will pick you up in time to have you at the restaurant by 16:45. Sentence4: Hi! I'm planning my trip to Cambridge and I was wondering if you had information on any Mediterranean restaurants located in the centre of Cambridge? Sentence5: I was able to book the table for you the reference number is HH5J45Z5 . There are many guesthouses to chose from, what area do you want to stay in? Sentence6: Thre are 3 such places. Do you have a price range? Sentence7: Thank you so much, thats all I need Sentence8: I would like to recommend the gardenia is that okay to book? Sentence9: I don't seem to have a preference but I wiukd like a moderately priced place with free parking. Sentence10: Could I have the postcode and how many stars of the hotel? Sentence11: You're very welcome! Have a great stay! Bye! Sentence12: Can I reccommend acorn guest house in the north,it has free parking and moderately priced? Sentence13: Yes. That sounds good. Do you have any moderate priced guesthouses available? Sentence14: The postcode of Acorn Guest House is cb41da. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: that is it. have a great day Sentence2: Booking completed Booked car type : white tesla Contact number : 07099497147 Sentence3: You're welcom. good bye. Sentence4: I'm finished now. Thank you. Sentence5: 8 people and 3 nights starting from tuesday. Sentence6: What's the postcode for your favorite attraction? Sentence7: you are welcome Sentence8: Thanks! I am looking forward to checking it out. Can you help me in finding a guesthouse to stay at for tonight? Sentence9: please find me a place to go in the centre Sentence10: There are 24 guesthouses available. Did you have any other criteria? Sentence11: My favorite attraction in the centre of town is The Man on the Moon. It's a concerthall. Their postcode is CB12LF. Would you like more information? Sentence12: Thanks I also need a taxi that will leave The Man on the Moon by 07:00 Sentence13: Ok great, and where will you need to go? Sentence14: To Bridge Guest House please. Sentence15: Reference number is : JOYGNDZ0 . What else may I do for you? Sentence16: I found 3 guesthouses that meet your request; is there an area you prefer? Sentence17: There are many places to go in the centre of town, what types of places do you want to visit? Sentence18: Yes, I would like it to be a 3 star place in a moderate price range. Also, free wifi. Sentence19: I suggest the bridge guest house and I can make a reservation right now for you. What are your dates? Sentence20: No preference, however, I do need a guesthouse for 8 people for 3 nights starting on Tuesday. Once you have booked, please provide the reference number. Thank you. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System