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, it does have parking and internet. What day would you like to begin your stay, how many days in total, and how many people please? Sentence2: All right then, thanks for using our services and I hope you have a wonderful visit in Cambridge. Goodbye! Sentence3: The west part I need the address and phone number and zip. Sentence4: Okay. What part of town will you be visiting? Sentence5: The booking for 7 people at the Hobsons House arriving on Sunday for 5 days 4 nights was successful. Your Reference number is : FFJYSLN4 . Can I assist you any further? Sentence6: I don't want anything too cheap or anything that will break the bank, just somewhere moderately priced. Sentence7: Does that have free wifi and parking? If so, I'd like a reservation. Sentence8: I'm just needing a place to stay. Sentence9: No thank you. Sentence10: It is called Hobsons house, it is on 96 Barton road. their number is 01223304906, cb39lh is their postcode. Sentence11: Do you have a price range in mind? Sentence12: I want to book it for 7 people and 4 nights starting from sunday. Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System