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

Input: Consider Input: Sentence1: Price range doesn't really matter, but I do want a 4-star place with free parking and internet. Sentence2: I have 19 hotels that match that criteria. please be more specific about the area of town where you'd like to stay Sentence3: Do you prefer a formal hotel, or a guesthouse? Sentence4: OK, what price point do you want me to look for? Sentence5: Booking was successful at the alexander bed and breakfast. Reference number is : MDB2AV4K Sentence6: i need a place to stay Sentence7: The area doesn't matter. Please book for 6 people on Saturday with 4 nights stay. Sentence8: Can you give me a suggestion for a hotel and make that reservation please? Thanks. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: There are four expensive Italian restaurants in the centre region: Stazione Restaurant and Coffee Bar, Clowns Cafedon Pasquale Pizzeria, and Caffe Uno. Would you like to try getting a reservation? Sentence2: There are no restaurants matching your requirements in that area. Sentence3: I'm leaving Cambridge and am looking for a train that should leave on Monday. Sentence4: I need to depart for Birmingham New Street after 20:15. Thank you so much for your help, you're doing a wonderful job! Sentence5: Where would you like to arrive? I have some arriving at london kings cross on monday. There are other arrival places also available. Sentence6: There are several. Do you have any food preferences? Sentence7: Can you give me alternate expensive restaurants in the Centre? Sentence8: Yes I would like to book for 4 people and I need the reference number. Sentence9: I would like the reservation for 14:45 for 4 people on Monday, please. Sentence10: You are now booked for Cafe Uno. Your reference number is 0CTGEFMD . Your table will be reserved for 15 minutes. Sentence11: I would like to try Caffe Uno. Sentence12: That's all I needed, thank you. Sentence13: That would be great thank you. I am also looking for halal food located in the Centre. Can you help me find one? Sentence14: You're welcome. Have a great day! Sentence15: What time would you like your reservation for? Sentence16: Would the TR2392 that arrives in birmingham new street by 23:44 be okay for booking? Sentence17: Yes, please tell me about Italian food. Sentence18: Okay there are several trains that leave after that time to the destination you listed. Would you like a reference number to one of them? Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System