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, the Parkside Pools is available with that criteria. The phone number for it is 01223446100. Do you require any other information about it? Sentence2: I'm looking for a sporting attraction in the city centre. Sentence3: How about an expensive restaurant in the centre that serves Indian? Sentence4: I have nothing that match your search. Do you have another preference ? Sentence5: Yes please, I would like a quiet place as much as possible. Sentence6: Your taxi has been booked. It will be a yellow Honda and their contact number is 07951132532. Sentence7: please find me the address. Sentence8: I've made those reservations and the reference number is B1J73EIY . Sentence9: The Golden Curry should meet your needs. What day and time would you like to book the table and for how many people? Sentence10: I would like it for just me because I don't have friends, for 11:45 on Tuesday. Sentence11: Maybe we could try swimming instead? Sentence12: I am also looking to eat out. Expensive Welsh food. Sentence13: May I recommend Bedouin? It's an expensive african restaurant in the centre of town. Sentence14: There are 5 restaurants that fit that criteria, Would you like me to make a recommendation? Sentence15: Thank you for contacting us and have a nice day. Sentence16: Can you also arrange a taxi for me? I need to go from Parkside Pools to Golden Curry and arrive there by 11:45. Sentence17: Are there any expensive restaurants in the centre? Sentence18: It is located at Gonville Place, postcode cb11ly. Sentence19: I don't have any sporting events in the centre. May I try a different area? Sentence20: Thank you very much for all your help today. That is all I need for now. Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User