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

Ex Input:
Sentence1: They are quite expensive . Sentence2: I want a restaurant in the south part of town and serves panasian food. Sentence3: Sorry what type of food do they serve? Sentence4: Thank you, goodbye! Sentence5: Sorry, there are no restaurants in the south part of town serving panasian food. Sentence6: They serve italian food. Sentence7: Frankie and Bennys serves Italian food in the south part of town. The phone number is 01223 412430, and the postcode is C.B 1, 7 D.Y. Sentence8: Thank you for your help. Good bye. Sentence9: italian food please. phone number and postcode please. Sentence10: what is the price range ? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Ok, how about Chinese food? Still expensive and in the north please. Sentence2: I also need to book a taxi between the hotel and restaurant. I need to arrive by 19:45. Sentence3: Ok, you are booked for a 19:45 arrival time, the taxi is a white audi. Is there anything else? Sentence4: Saigon city serves Asian oriental in the north part of town. Sentence5: What time do you need to leave by? Sentence6: We want to find a restaurant that serves unusual food. Sentence7: Can you pick the best swimming pool and get me the postcode and phone number please? Sentence8: Awesome. Now can you tell me if there is a swimming pool nearby the restaurant? I love to swim after egg rolls! Sentence9: There are two in the north; Jesus Green Outdoor Pool and Kings Hedges Learner Pool. Would you like the location of either of those? Sentence10: Contact number is 07625009528 Can I help you with anything else? Sentence11: I was able to make a booking for the hotpot. You reservation number is 55CAP7FC . Sentence12: Let me have a reservation at Hotpot on Friday, thank you. Sentence13: That's pretty offensive to call Asian oriental unusual. I'm looking for a restaurant that serves food labelled as unusual. Sentence14: Ok, how many people and what time? Sentence15: I just need it to arrive by the time the restaurant was booked. Sentence16: Can I get the contact number for the taxi as well, please? Sentence17: I have no restaurants that list there food as unusual, do you have any other preferences? Sentence18: I'm going to recommend the kings hedges learner pool located at jedburgh court, kings hedges the post code is cb42xh. The phone number is 01223353248. Sentence19: 7 people for the taxi. Sentence20: 7 people at 19:45 on friday. Sentence21: No thank you. Sentence22: How many people are traveling? Sentence23: Have a nice day. Sentence24: No, just please make sure the food's unusual, located in the north and expensive. Sentence25: Do you have a particular type of food you'd like to try? Sentence26: yes, there's a place called the hotpot Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Thank you. I also need a train on wednesday arriving by 17:00. Sentence2: No, I just need to arrive by 17:00. On Wednesday. Please book the train closest to that arrival for 4 people and give me a reference number Sentence3: I would like to depart from Kings Lynn. Sentence4: Booking was successful.Reference number is : OEBH1Q9H . Sentence5: Yes please book it for 4 people and 5 nights starting from Wednesday. Sentence6: Is there a time in your mind for leaving? Sentence7: The Train ID is TR5153. It leaves at 16:11 and arrives at 16:58. Your reference number is 1T9WEZTE . Can I help with anything else? Sentence8: Awesome, thank you so much for your help! That will be all, goodbye. Sentence9: Okay! Alexander Bed and Breakfast is a cheap, 4-star guesthouse in the Centre of town, at 56 Saint Barnabas Road, with internet and parking. Shall I book a room? Sentence10: Where would you like to depart from? Sentence11: I'm looking for information on a hotel called alexander bed and breakfast. Sentence12: Thank you and enjoy your time in our beautiful city! Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System