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

Positive Example 1 -
Input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User

Positive Example 2 -
Input: Sentence1: Guten Tag, I am staying overnight in Cambridge and need a place to sleep. I need free parking and internet. Sentence2: I have 4 different options for you. I have two cheaper guesthouses and two expensive hotels. Do you have a preference? Sentence3: No, but I'd really like to be on the south end of the city. Do any of those fit the bill? Sentence4: Sure. Does price matter? We can narrow it down and find exactly what you need. Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (B) System

Negative Example 1 -
Input: Sentence1: I am looking for a hotel named alyesbray lodge guest house. Sentence2: i have their info, what would you like to know? Sentence3: I would like to book a reservation for it. Can you help me with that? Sentence4: I sure can. First, I will need to know when you want your stay to begin and how many days you'll be staying. Also, how many people will be staying? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (A) User

Negative Example 2 -
Input: Sentence1: Hi there! Can you give me some info on Cityroomz?. Sentence2: Cityroomz is located at Sleeperz Hotel, Station Road in the Centre area. It is a moderatley priced hotel with a 0 star rating. Would you like to book a room? Sentence3: Yes please. I need it for 7 people for 3 nights starting on tuesday. Sentence4: How many days would you like to book it for? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User

Now complete the following example -
Input: Sentence1: There are five, would you like me to book you one? Sentence2: Where in the east can I find a restaurant that serves venetian food? Sentence3: You're welcome. Please let us know if there's anything else we can help you with. Sentence4: No, thanks. That's everything. Sentence5: Yes. Please try 17:00. Sentence6: Which day would you like to dine? Sentence7: Yes see if there are any venetian restaurants there Sentence8: How about indian food? Sentence9: None of the restaurants were available for that time. Would you like me to try a different time? Sentence10: It will be a party of 6. Sentence11: I prefer the east but I am open to other areas of town. Sentence12: I've booked you a table at pipasha restaurant. The table will be reserved for 15 minutes. Your Reference number is MIRO0QRD . Anything else I can help with? Sentence13: I'm sorry to trouble you but is there an expensive Indian restaurant in the east? It would be more convenient. Sentence14: No there are not. Want to try a different restaurant type? Sentence15: Yes, book one of the expensive Indian places in the east please. Sentence16: Thank you also. Could I receive the reference number for the reservation, please? Sentence17: THANKS VERY MUCH Sentence18: I would love to help! how many people? Sentence19: Do you want me to look at the center of the town? Sentence20: I'm sorry there are no results for a venetian restaurant in the east, would you like to try a different area? Sentence21: I would like to go on Monday at 18:00 please. Sentence22: There are five expensive indian places in the centre but i recommend panahar, would you like more info or a booking? Sentence23: I would like expensive. Sentence24: I have 9 restaurants in the cetre that are Indian. Do you have a price range? Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System