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: The postcode for Riverboat Georgina is cb43ax. Is there anything else I may assist you with today? Sentence2: What sort of attraction would you like it to be? Sentence3: Yes, they are. Would you like to make a reservation? Sentence4: Great, thanks. I'm also interested in finding an attraction that is also in the north. Sentence5: I have 4 attractions. 2 are swimming pools, 1 park and 1 boating attraction. Which do you prefer? Sentence6: Da vinci pizzeria is in the north part of town and serves Italian food. Sentence7: Are they in the cheap price range? I'm kind of limited on funds. Sentence8: Could you give me the postcode? Sentence9: Have a wonderful day. Goodbye. Sentence10: Not at the moment. Can you give me their address, phone number, and postcode, please? Sentence11: The entrance fee isnt available on line. 01223902091 is the phone number if you'd like to call them. Can I help you with anything else? Sentence12: The boating attraction sounds like a lot of fun. How much do they charge to get in? Sentence13: No thanks. that is all. Sentence14: anything that is in the same area as the restaurant. Sentence15: 20 Milton Road Chesterton cb41jy and their phone number is 01223351707. Sentence16: I need a restaurant on the north side, Italian if possible. Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System