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: All I need to know is what time you would like your ride for and I can get that booked for you right away. Sentence2: There are 8 of us going. Sentence3: Vue Cinema is located in the centre, would you like the address and phone number? Sentence4: There's nothing more that I need. Thanks, bye! Sentence5: The entrance fee is not showing up on my computer, the address is The Grafton Centre, East Road. Is there anything else I can assist you with? Sentence6: What can you tell me about the hotel el shaddai? Sentence7: I want to leave at 12:30 from my hotel and go to the cinema. Please give me the car type and phone number Sentence8: The phone number is 08712240240. Sentence9: I just want the phone number and entrance fee please Sentence10: How many people will the taxi be for? Sentence11: Great, thank you. Could you also help me with booking a taxi to go from the hotel to the cinema? Sentence12: You are welcome enjoy. Sentence13: Yes, I am also looking for a good cinema to visit in the centre of town. Sentence14: The taxi will be a white toyota and the contact number is 07880526604. Is there anything else I can assist you with today? Sentence15: El Shaddai is a cheap guesthouse located in the centre that has free parking and internet. Would you like the phone number and address? Sentence16: I asked you for the phone number not the address. Sentence17: No but I would like to make a booking for 8 people and 2 nights starting from thursday. Sentence18: Ok, I have your guest house booked for 8 people, for 2 days, starting on Thursday.You reference number is JZ3CHA4K . Is there anything else you need? Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System