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: There are 31 options available. The first leaves at 8:34 and arrives in Peterborough at 9:24. Does that work for you? Sentence2: Okay, thanks so much for your help. Goodbye! Sentence3: You're welcome, thanks for contacting us. Text back any time! Sentence4: Sure. Can you please tell me the price? Sentence5: There are so many! Did you want something near the centre? I have Museums, cinemas and parks! Sentence6: Could I just get the phone number please? Sentence7: There are actually 7 museums in the west. I highly recommend Cambridge Book and Print Gallery. Would you like the postcode and address? Sentence8: Thank you. There's one more thing. I have a few hours to unwind while I am in town. What type of attractions are available? Sentence9: I am looking for a Cinema in the west. Is one available in the area? If not, how about a Museum in the same area? Sentence10: Ok, I have many trains meeting that criteria. What day would you be traveling and what is your destination? Sentence11: The total price is 16.50 pounds. Sentence12: I need to find a train that leaves Cambridge after 08:15. Sentence13: I'm looking to travel on Friday from cambridge to peterborough, please. Sentence14: The phone number is 01223694264 Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User