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

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: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I need a place to stay with free wifi but I don't need free parking, thank you. Sentence2: Yes, let's go ahead and book with the Avalon. Sentence3: Thank you. I am also looking for a place to eat in the centre area and that serves indonesian food. Sentence4: how about lebanese instead? Sentence5: There's actually a great Lebanese restaurant in that area, Ali Baba. Would you like me to book a table for you? Sentence6: Yes, book the table for two. Also, make it a late dinner? Sentence7: It doesn't matter as long as it's on the moderate range. Sentence8: Ok. The booking was successful and your reference number is C35XS6YE . Sentence9: I'm afraid that I didn't find any restaurants matching your criteria. Would you like to try a different type of cuisine, or a different part of town? Sentence10: Okay, I will book the table for two at a moderate restaurant. Sentence11: are there any indonesian restaurants elsewhere? Sentence12: 9 of the 10 results returned are guesthouses. What area of town would you like to stay in? Sentence13: Do you have a preference for location? I'm showing guesthouses everywhere but the city centre. Sentence14: There are none in town. Shall I try another type of food? Sentence15: I just need to find one that has room for 3 people to stay 3 nights starting from Saturday. Sentence16: Do you have any in the cheap price range? Sentence17: I am showing 2 guesthouse and 1 hotel. All are moderate price range. Would you like more information? Sentence18: the avalon is available,, would you like to book now? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System