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: Yes, can I please get the phone number? Sentence2: I would like to commute between Graffiti and Whale of a time. I will be heading to the attraction after eating. Sentence3: Where would you like to be picked up? Sentence4: Can you book it for me and get a reference number ? Sentence5: Just one person, no specific day and time. I'm also looking for a place to go in town in the same area of the restaurant. Sentence6: I have no south african restaurants i the expensive range. Would you like to try another type or price range? Sentence7: In the west area. Sentence8: Can you please recommend one and provide me their phone number? Sentence9: Yes, the phone number is 01954781018. Can I help with any other information today? Sentence10: Is there a certain area you would like? Sentence11: Are there any restaurants serving South African cuisine? Sentence12: Can you book it for me and get a reference number ? Sentence13: What time would you like to leave? Sentence14: There are many colleges and museums but I think you will really enjoy the entertainment called whale of a time. Would you like more information? Sentence15: How about something serving British food? Sentence16: We have more than 100 restaurants all over town. May I ask if you have a certain price range you prefer to stay within? Sentence17: Yes, I in am interested in an expensive restaurant. Thanks! Sentence18: Unfortunately I cannot book the restaurant for you without a day and time. Can you provide that for me please? Sentence19: I have 6 different places that serve British food. They are spread out throughout town. Did you have an area you prefer? Sentence20: Graffiti is a great restaurant in the west area. Would you like me to make reservations for you? Sentence21: Your reference number is 73H253CP . They will hold the table for 15-minutes. How else may I help you? Sentence22: Hi, I am traveling to Cambridge and am excited to see some local tourist attractions. I really need help with a restaurant though. Sentence23: I want to leave the attraction by 7:15. Sentence24: How about Tuesday at 7:30? Sentence25: What day do you wish to dine, at what time and how many people will there be? Sentence26: There are over a dozen different attractions in the west; do you have a particular type of activity in mind? Sentence27: Yes I need an attraction in the same area. Sentence28: Thank you. I am looking for a taxi to commute between the two places. Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System