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: Thank you for booking the car for me. Sentence2: Okay! What kind of place would you like to go? Sentence3: You need a bus as well as the taxi I already booked? Sentence4: What movie theater would you like to go to? Sentence5: Yes, I already booked that for you. As I said before, it's a black volkswagen and the contact number is 07722633912. Sentence6: I'm looking for a place to go in the centre. Sentence7: Vue cinema is located in the centre of town. Their post code is cb11ps Sentence8: I need to buy a bus. Sentence9: Great! I also want a restaurant in the same area, something expensive, please? Sentence10: Would there be anything else ? Sentence11: Could you tell me the postcode of that cinema? Sentence12: i need a taxi to leave the restaurant by 11:00 Sentence13: I'm wanting to see the new Reese Witherspoon movie. Would they happen to have a cinema in that area? Sentence14: Alright It's called Bedouin it's an African cuisine. The information is the following; phone 01223367660, address 100 Mill Road City Centre, and the postcode is cb12bd. Sentence15: Going to Vue cinema Sentence16: There are more than two dozen expensive restaurants in that area. What cuisine would you like? Sentence17: Can you reserve me a taxi? I need it to take me from the restaurant to the movies. Sentence18: That is all, enjoy the rest of your day. Sentence19: I am glad that I can help. Have a nice stay. Sentence20: Do you have a departure time ? Sentence21: Ok, I've booked you a taxi to the cinema. It's a black volkswagen and the contact number is : 07722633912 Sentence22: I'm not picky. Whichever one you choose will be fine. I just need a phone number, address, and postcode please. Sentence23: I want to leave the restaurant by 11:00. Sentence24: Yes, this is the only cinema in the area vue cinema. Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System