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: What is the entrance fee? Sentence2: I don't care about the price range. Will you please book me a table for 3 people at 17:15 on Wednesday at one of the restaurants? Sentence3: Thats everything I needed thanks for the help! Sentence4: No thank you that is all. Sentence5: I have three turkish restaurants in the centre. Two are moderate price and one is expensive. Sentence6: I found one for you. It's The Cherry Hinton Village Centre on Colville Road. Do you need any additional information? Sentence7: I would like to visit an attraction the has multiple sports. Sentence8: You are very welcome. Please contact us again if you need further assistance. Sentence9: I have booked you a table for 3 at the meze bar restaurant on Wednesday at 17:15. The reference number is X6AY26U1, can I help you with anything else? Sentence10: I also would like to find Turkish restaurant in the center of town. Sentence11: Thank you for using our services. Have all of your needs been met today? Sentence12: I don't have that information, but you can call them at 01223576412 to get more information. Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User