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: Camboats is located at The Plough, Green End, Fen Ditton and their phone number is 01223 902 112. Can I help you with anything else today? Sentence2: I would like to leave the restaurant by 03:45 please. Sentence3: I have booked you a taxi. The contact number is 07041828683, and it will be a red Toyota. Can I assist you further? Sentence4: I'd like to find an Italian restaurant, on the west side. Sentence5: Can I get info to the one in the east please. thank you, Sentence6: Which one is cheap? Sentence7: The address is 15 Magdalene Street, City Centre. The post code is cb30af. Can I assist you further? Sentence8: I'm happy to book you a taxi I need the following information to do so time of travel, name departure site, and name of arrival site. Sentence9: No thank you. Could I get the address and postcode please? Sentence10: I'm going to need a ride to get to and from both places. Sentence11: i also need a place to go which should be in the type of a boat Sentence12: camboats is located in the east or scudamores punting co is in the centre. Sentence13: That is all thank you. Sentence14: Have a nice day, goodbye. Sentence15: OK, what time do you need a taxi? Sentence16: prezzo and la margherita are both Italian restaurants located on the west side. Sentence17: In summary, I am leaving La Margherita restaurant by 03:45 to go to Camboats. Sentence18: La Margherita is in the cheap price range. Would you like me to book that for you? Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System