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'll be going from the museum to the hotel. I'll need to leave by 09:30 please. Sentence2: I'm sorry I have no entertainment options in the center of town. Would you be interested in trying another type of attraction or area? Sentence3: Yes can you look for a museum? Sentence4: The highest rated one you have, I need 5 people booked for a 2 night stay starting saturday. Sentence5: Of course! To book a taxi, I'll need to know your travel destination, departure site, and time please. Sentence6: What are you interested in? Sentence7: i also need to use a taxi Sentence8: that is all for today thanks very much Sentence9: There are 5 options available. Do you prefer a specific area or number of stars? Sentence10: there is the museum of archaelogy and anthropology Sentence11: Can you tell me the different museums available? Sentence12: Can I get the postcode for the museum as well? Sentence13: I am looking for a entertainment attraction in the centre of town. Sentence14: I have 2 options available. The Huntingdon Marriott Hotel in the West, and the University Arms Hotel in the Centre. Both are 4 star with internet and parking. Sentence15: Are there any that feature anything archeological items? Sentence16: Yes there are 11 different museums in centre. Are you interested in a particular type? Sentence17: Any time, happy to help! Have a good day! Sentence18: Of course. The postcode is cb23dz. Can I help you with anything else today? Sentence19: Booking was successful. Reference number is : 5K1TGKMU . Sentence20: You are all set. Please look for a blue Toyota, which will arrive by 9:30. The contact number is 07988683424. Do you need anything else today? Sentence21: Yes their telephone number is 01223333516. Sentence22: Can you book the marriott hotel for 5 people and 2 nights on saturday? Sentence23: I need an insanely expensive hotel that has free wifi Sentence24: That sounds great. Can you give me the phone number? Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System