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, can I get the address? Oh, and do they have internet? Sentence2: Great, I'll book a table at rice boat, how many people will be dining and do you have a date and time preference? Sentence3: The 5 indian restaurants are: tandoori palace, cocum, rice boat, maharajah tandoori restaurant and india house. Would you like to book a table at one of these places? Sentence4: I am very sorry, there are no malaysian restaurant results at all. Would you like help finding a hotel or attraction? Sentence5: Excellent. I'd better also book a taxi. Sentence6: I have two four star hotels that meet your criteria, huntingdon marriott hotel and the cambridge belfry. Woul you like me to book a room at the huntingdon marriott hotel? Sentence7: You're welcome. I hope you enjoy your visit. Sentence8: I'll also need a place to stay. A hotel, please, in the same area as the restaurant. Sentence9: I just need the phone number and postcode. Sentence10: Maybe later. What about a restaurant that serves indian food with the same specifications? Sentence11: What is the departure site for the taxi and what is your destination? Sentence12: Go ahead and book rice boat. Please also give me the postcode and phone number as well. Sentence13: No, I was really hoping for Malaysian. Sentence14: Yes! They'll pick you up in a black skoda. Their contact number is 07619432519. How else may I assist you? Sentence15: West side would be great. Sentence16: I'll just need a taxi from the restaurant at 9:00 to the hotel . Can you provide their contact number and the car type? Sentence17: That was everything. Thank you very much! Sentence18: the address is kingfisher way, hinchinbrook business park, huntingdo and they do have internet. Sentence19: There are many different Indian options. I can narrow it down for you if you tell me what area you would prefer. Sentence20: I'm looking for an expensive restaurant that serves malaysian food. Sentence21: There are no expensive Malaysian restaurants. Would you like to try a different type of food? Sentence22: No problem. The postcode is cb39ey and the phone number is 01223302800. Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System