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: It doesn't matter where the hotel is located. Sentence2: Hi, I need a hotel with free wifi internet and a rating of 3 stars. What can you recommend? Sentence3: 4 nights, checking in on Saturday. Sentence4: Can you book The Gonville for me please? It'll be just me staying Sentence5: Thanks for all your help. Sentence6: Happy to be of service. Goodbye! Sentence7: We've got two expensive hotels with that criteria. Would you like to stay in the centre or the south? Sentence8: Yes, I can help you with that. How many nights will you be staying? Sentence9: Booking was successful. Reference number is : 565UIMXV . Sentence10: That is all unless you need something more from me. Sentence11: Both Hotels have internet, does not state if it is free. The hotels are The Gonville Hotel and the Lensfield Hotel. Sentence12: Thank you for your help. Do I need to do anything else or I'm good? Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System