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: I would suggest la gardenia. Sentence2: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 3BCC8OGU . Sentence3: Indeed we do! 44 of them, in fact. We have nightclubs and concerthalls as well as museums and theatres. What strikes your fancy? Sentence4: You're welcome, have a great day! Sentence5: Do you have any great places to visit in the centre? Sentence6: Can you book that for 2 people at 11:30 on friday? Sentence7: Not really, what do you suggest, and can you provide address and phone number? Sentence8: i dont have anything available. for that. Do you have another choice Sentence9: Thank you. That was all I needed. Sentence10: Do you have a price range? There are both cheap and expensive options. Sentence11: Ok, what about mediterranean food? Sentence12: Primavera is a museum in the centre located at 10 king s parade. The phone number is 01223357708. Sentence13: Price range doesn't matter. Sentence14: Great I'm also looking for a tuscan restaurant in the centre of town too Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System